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Korean J. Met. Mater.
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Evaluation of Transition Temperature in Reactor Pressure Vessel Steels 6using the Fracture Energy Transition Curve from a Small Punch Test
소형펀치 파단에너지 천이곡선을 활용한 원자로용기강의 천이온도 평가
Tae-kyung Lee, Seokmin Hong, Jongmin Kim, Min-Chul Kim, Jae-il Jang이태경, 홍석민, 김종민, 김민철, 장재일
Korean J. Met. Mater.
2020;58(8):522-532. Published online 2020 Jul 27
DOI:
https://doi.org/10.3365/KJMM.2020.58.8.522
Abstract
The small punch (SP) test is one of the small specimen test techniques, and standardization of the SP test method for evaluating the mechanical properties of metallic materials is in progress. In this study, the impact transition temperature of reactor pressure vessel steels (RPV) in nuclear power plants was estimated.....
More
A Further Study on Knoop Indentation Plastic Deformation for Evaluating Residual Stress
Woojoo Kim, Kyungyul Lee, Jong-hyoung Kim, Young-Cheon Kim, Dongil Kwon
Korean J. Met. Mater.
2020;58(8):515-521. Published online 2020 Jul 27
DOI:
https://doi.org/10.3365/KJMM.2020.58.8.515
Abstract
A method for evaluating residual stress using an instrumented indentation test was developed some decades ago. More recently, another method was developed, using a Knoop indenter. The conversion factor ratio, which is one of the key factors in the evaluation algorithm, has been taken to be 0.34, although this value.....
More
Web of Science 2
Crossref 3
Effect of Pre-Aging Treatment on the Mechanical Properties of Cold Rolled Cu-6 wt% Ni-1.4 wt% Si Alloy
Cu-6 wt% Ni-1.4 wt% Si 합금의 압연 후 기계적 성질에 미치는 시효전 처리 영향
Sang Jin Lee, Hyeon Seok Shin, Eun-Ae Choi, Jee Hyuk Ahn, Yoonsuk Choi, Sangshik Kim, Jehyun Lee, Seung Zeon Han이상진, 신현석, 최은애, 안지혁, 최윤석, 김상식, 이재현, 한승전
Korean J. Met. Mater.
2020;58(7):488-494. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.488
Abstract
Cu-Ni-Si alloys were strengthened by Ni
2
Si intermetallic compound precipitation in a Cu matrix during aging. The Cu-6 wt% Ni-1.4wt%Si alloy was prepared by water quenching (solution treatment) or air cooling (homogenization treatment) after heating 980
o
C for 2 hours and aging at 500
o
C for 6 hours. After maintaining a.....
More
Web of Science 4
Crossref 5
Effect of Co Leaching on the Vertical Turning Lathe Wear Properties of Polycrystalline Diamond Compact Manufactured by High Temperature and High Pressure Sintering Process
초고온·고압 소결 공정으로 제조된 다결정 다이아몬드 컴팩트(PDC)의 VTL 마모 특성에 미치는 Co 제거의 영향
Min-Seok Baek, Ji-Won Kim, Bae-Gun Park, Hee-Sub Park, Kee-Ahn Lee백민석, 김지원, 박배건, 박희섭, 이기안
Korean J. Met. Mater.
2020;58(7):480-487. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.480
Abstract
Polycrystalline diamond compact (PDC) has excellent wear resistance, high impact resistance, superior fatigue properties, and has been used in the oil and gas drilling industries. This study investigated the effect of Co leaching on the microstructure, vertical turning lathe (VTL) wear properties of PDCs manufactured by high-temperature and high-pressure (HTHP).....
More
A Study on the Corrosion and Microstructure Characteristics of Early Iron Age Bronze Swords Excavated from Sinpung Site in Wanju, Jeollabuk-Do, Republic of Korea
전북 완주 신풍유적 출토 초기철기시대 동검의 부식 및 제작특성
Min Kyeong Jang, Nam Chul Cho장민경, 조남철
Korean J. Met. Mater.
2020;58(7):472-479. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.472
Abstract
The subject of this study was a bronze sword excavated from the early Iron Age area of Sinpung site in Wanju. SEM-EDS, FE-EPMA and Raman Micro-Spectroscopy analysis methods were applied to investigate the manufacturing techniques and corrosion characteristics. The results of the analysis indicated a casting structure composed of both.....
More
Web of Science 2
Crossref 3
Effect of Zn-Doping on the Phase Transition Behavior and Thermoelectric Transport Properties of Cu
2
Se
Zn 도핑이 Cu
2
Se의 상전이 거동과 열전수송특성에 미치는 영향
Seung Hyun Jin, Young Soo Lim진승현, 임영수
Korean J. Met. Mater.
2020;58(7):466-471. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.466
Abstract
We report on the phase transition behavior and thermoelectric transport properties of Zn-doped Cu
2
Se. Cu
2
Se is comprised of nontoxic, low-cost and abundant elements, and has been attracting attention because of its very high thermoelectric performance,
ZT
, at high temperatures. Many studies have reported enhanced
ZT
in impurity doped Cu
2
Se, however,.....
More
Web of Science 2
Crossref 2
Mechanical Properties and Rapid Sintering of WC-BN-Al Composites
WC-BN-Al복합재료 급속소결 및 기계적 성질
Seong-Eun Kim, Su-Hwan Hong, In-Jin Shon김성은, 홍수환, 손인진
Korean J. Met. Mater.
2020;58(7):453-458. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.453
Abstract
Tungsten carbides are quite attractive for their superior properties, e.g., high melting point, high hardness, high thermal and electrical conductivities, and relatively high chemical stability. Tungsten carbides with a binder metal, for example Co or Ni, are mainly used to produce cutting tools, nozzles and molds in the composite form......
More
Web of Science 6
Crossref 7
Effects of Thiourea Stripping of 14 Karat White Gold Alloys With the Addition of SDS Surfactant
SDS 계면활성제 첨가에 따른 14 캐럿 백색 금합금의 티오우레아 스트리핑의 효과
Ikgyu Kim, Kwangbae Kim, Ohsung Song김익규, 김광배, 송오성
Korean J. Met. Mater.
2020;58(7):447-452. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.447
Abstract
A stripping solution with thiourea, iron(III) sulfate, and sodium dodecyl sulfate(SDS) was employed to strip Ni-based 14 karat white gold alloys, and the formation of the NiS byproduct and elimination of passivation were investigated in the presence of 0.0-0.2 g/L SDS. White gold alloy samples with a flat shape were.....
More
Web of Science 1
Crossref 1
Influence of Cu Doping on Bipolar Conduction Suppression for
p
-type Bi
0.5
Sb
1.5
Te
3
and Bi
0.4
Sb
1.6
Te
3
Alloys
Cu 첨가에 따른 p-type Bi
0.5
Sb
1.5
Te
3
및 Bi
0.4
Sb
1.6
Te
3
합금의 양극성 전도 저감 효과
Hyun-Jun Cho, Hyun-Sik Kim, Woong-hee Sohn, Sang-il Kim조현준, 김현식, 손웅희, 김상일
Korean J. Met. Mater.
2020;58(6):439-445. Published online 2020 May 21
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.439
Abstract
In this study, we report how Cu doping can modify the thermoelectric performance of
p
-type Bi
0.5
Sb
1.5
Te3 and Bi
0.4
Sb
1.6
Te3 thermoelectric alloys, including their electronic and thermal transport properties. For electronic transport, the power factors of both Bi
0.5
Sb
1.5
Te3 and Bi0.4Sb1.6Te3 compositions were increased by Cu doping. The origins of the enhanced power.....
More
Web of Science 6
Crossref 2
Optical Properties of CaF
2
Anti-Reflection Coating On ZnS for 8~12 µm Infrared Region
CaF
2
저반사 코팅된 ZnS 윈도우의 8~12 µm 적외선 영역 광학적 특성
Ill-Joo Lee, Seung-Chan Hong, Byung-Sam Kim, Jae-Kyung Cheon이일주, 홍승찬, 김병삼, 천재경
Korean J. Met. Mater.
2020;58(6):433-438. Published online 2020 May 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.433
Abstract
Technologies for pedestrian safety are increasingly emphasized by Automakers in advance of autonomous driving vehicles. A Night Vision System attached behind the front grille can reduce fatal accidents, especially during the nighttime, however, consumers may hesitate to adopt such systems on account of their high price. High-cost Germanium is used.....
More
Web of Science 1
Crossref 1
Prediction of Electropulse-Induced Nonlinear Temperature Variation of Mg Alloy Based on Machine Learning
기계 학습을 활용한 마그네슘 합금의 통전 비선형 온도 예측
Jinyeong Yu, Myoungjae Lee, Young Hoon Moon, Yoojeong Noh, Taekyung Lee유진영, 이명재, 문영훈, 노유정, 이태경
Korean J. Met. Mater.
2020;58(6):413-422. Published online 2020 May 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.413
Abstract
Electropulse-induced heating has attracted attention due to its high energy efficiency. However, the process gives rise to a nonlinear temperature variation, which is difficult to predict using a traditional physics model. As an alternative, this study employed machine-learning technology to predict such temperature variation for the first time. Mg alloy.....
More
Web of Science 10
Crossref 8
Effect of Cladding Conditions on Solidification Cracking Behavior during Dissimilar Cladding of Inconel Alloy FM 52 and 308L Stainless Steel to Carbon Steel: Evaluation of Solidification Brittle Temperature Range by Transverse−Varestraint Test
인코넬 FM52 및 308L 스테인리스강을 이용한 탄소강 이종 클래딩 및 공정변수에 따른 응고균열 발생 거동 변화: Transverse-Varestraint 시험을 이용한 응고취성 온도범위 평가
Yookyung Kim, Byungrok Moon, Namhyun Kang, Eun-Joon Chun김유경, 문병록, 강남현, 천은준
Korean J. Met. Mater.
2020;58(6):403-412. Published online 2020 May 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.403
Abstract
In this study, solidification cracking behavior and susceptibility in dissimilar cladding of Inconel alloy FM 52, 308L stainless steel to carbon steel, was investigated by submerged arc welding and transverse−Varestraint testing with gas tungsten arc welding. The effect of cladding conditions on cracking behavior and susceptibility was extensively evaluated, and.....
More
Web of Science 6
Crossref 5
Effect of Strain Rate and Loading Direction on the Mechanical Properties of Ni-Cr-Al Superalloy Foam Fabricated by Powder Alloying Method
분말 합금법으로 제조된 Ni-Cr-Al 초합금 다공체의 인장 특성에 미치는 변형률 속도 및 하중 방향 효과
Kyu-Sik Kim, Jung-Suk Bae, Jae-Sung Oh, Kee-Ahn Lee김규식, 배정석, 오재성, 이기안
Korean J. Met. Mater.
2020;58(6):375-382. Published online 2020 May 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.375
Abstract
The powder-alloyed metallic sheet foam manufacturing process has the advantage of being able to control pore shape, size, and distribution more easily and homogeneously than conventional foam manufacturing processes. The effects of strain rate and tensile direction on the mechanical properties of Ni-Cr-Al superalloy foam fabricated by powder alloying method.....
More
Web of Science 1
Crossref 1
The Study on the Manufacturing Cold Cured Briquette Using Curing Reaction of Sodium Silicate
규산 소다의 경화 반응을 이용한 상온 경화 괴성광 제조에 대한 연구
Kang-Min Kim, Jeong-Whan Han김강민, 한정환
Korean J. Met. Mater.
2020;58(6):369-374. Published online 2020 May 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.369
Abstract
New technologies need to be developed in the ironmaking process to reduce carbon dioxide emissions. To achieve this, in recent years steelmakers have been working to reduce coke usage by increasing thermal energy efficiency. However, it is very difficult to reduce coke consumption while maintaining production, because the level of.....
More
Investigation of Density- and Strain Rate-dependent Strain Hardening-softening-coupled material Behavior of Polyurethane Foams using Elasto-viscoplastic Constitutive Model
탄점소성 구성모델을 활용한 폴리우레탄 폼의 밀도 및 변형률 속도 의존 변형률 경화-연화 연성 재료 거동 규명
Tae-Rim Kim, Chi-Seung Lee김태림, 이치승
Korean J. Met. Mater.
2020;58(5):357-367. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.357
Abstract
Polyurethane foam (PUF) is one of the most well-known cellular materials and is widely employed in various industrial and biomedical fields thanks to its many advantages. These include mechanical and material characteristics such as low density and thermal conductivity, and high specific elastic modulus and strength. Despite of these advantages,.....
More
Web of Science 4
Crossref 3
Catalyst-Free Thermal Evaporation Synthesis of TiO
2
Nanostructures in Atmospheric Air
대기압의 공기 분위기에서 촉매를 사용하지 않는 열증발법을 이용하여 생성된 TiO
2
나노구조
Geun-Hyoung Lee이근형
Korean J. Met. Mater.
2020;58(5):353-356. Published online 2020 Apr 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.353
Abstract
TiO
2
nanostructures were synthesized using a thermal evaporation method without a catalyst. TiO powders mixed with graphite powders were used as the source materials. The synthesis process was performed in air atmosphere at 1000 °C. When the mass ratio of TiO/graphite in the source material was 2:1, TiO
2
nanowires and.....
More
Web of Science 3
Crossref 5
Enhanced Thermoelectric Transport Properties of
n
-type InSe by Sn doping
Sung-sil Choo, Seok-won Hong, Hyun-Sik Kim, Sang-il Kim
Korean J. Met. Mater.
2020;58(5):348-352. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.348
Abstract
Layered post transition metal chalcogenides such as SnSe, SnSe
2
, In
2
Se
3
, and In
4
Se
3
have attracted attention as promising thermoelectric materials due to their intrinsically low lattice thermal conductivities. Recently,
n
-type indium selenide (InSe) based materials have also been suggested as good candidates for thermoelectric materials by optimizing their electrical properties, i.e.,.....
More
Web of Science 6
Crossref 7
Synthesis of Fe-Doped Tetrahedrites Cu
12-x
Fe
x
Sb
4
S
13
and Characterization of Their Thermoelectric Properties
Sung-Yoon Kim, Ji-Hee Pi, Go-Eun Lee, Il-Ho Kim
Korean J. Met. Mater.
2020;58(5):340-347. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.340
Abstract
Tetrahedrite (C
12
Sb
4
S
13
) has attracted attention as a p-type thermoeletric material with very low thermal conductivity induced by the anharmonic oscillation of Cu due to the lone-pair electrons of Sb. Many studies have been conducted to improve its thermoelectric performance by partially substituting the transition elements for the Cu sites. In.....
More
Web of Science 7
Crossref 10
Thermoelectric Transport Properties of N-type Bi
2
Te
2.7
Se
0.3
Compound Prepared by Oxide-Reduction Process
산화물 환원공정에 의해 제작된 n-형 Bi
2
Te
2.7
Se
0.3
화합물의 열전특성연구
Young Soo Lim, Bae Gun Park, Gil-Geun Lee임영수, 박배건, 이길근
Korean J. Met. Mater.
2020;58(5):334-339. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.334
Abstract
We report the thermoelectric transport properties of n-type Bi
2
Te
2.7
Se
0.3
compounds prepared by oxide-reduction process. The oxide-reduction process is a recently developed method that can synthesize Bi2Te3-based compounds using only oxide starting materials, which is advantageous in terms of the diversity of the starting materials and cost efficiency. In this study,.....
More
Web of Science 3
Crossref 4
Effect of Bainitic Microstructure on Low-Temperature Toughness of High-Strength API Pipeline Steels
고강도 API 라인파이프강의 저온 인성에 미치는 베이나이트계 미세조직의 영향
Seung-Wan Lee, Sang-In Lee, Byoungchul Hwang이승완, 이상인, 황병철
Korean J. Met. Mater.
2020;58(5):293-303. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.293
Abstract
In this study the correlation between bainitic microstructure and the low-temperature toughness of high-strength API pipeline steels was discussed in terms of crack initiation and propagation in the microstructure. Three types of API pipeline steels with different bainitic microstructures were fabricated using varying alloying elements and thermo-mechanical processing conditions, and.....
More
Web of Science 8
Crossref 7
Solid-State Synthesis and Thermoelectric Properties of Tetrahedrites Cu
12
Sb
4-y
Bi
y
S
13
Sung-Gyu Kwak, Ji-Hee Pi, Go-Eun Lee, Il-Ho Kim
Korean J. Met. Mater.
2020;58(4):272-277. Published online 2020 Mar 9
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.272
Abstract
Tetrahedrite has low lattice thermal conductivity because of the lone-pair electrons of Sb, which cause the Cu atoms to vibrate at a low frequency and high amplitude. The synthesis of tetrahedrite compounds by conventional melting methods requires a long-time reaction and annealing. However, a homogeneous and solid-state synthesis can be.....
More
Web of Science 16
Crossref 17
Effects of Growth Temperature on the Physicochemical and Photoelectrochemical Properties of a Modified Chemical Bath Deposited Fe
2
O
3
Photoelectrode
개선된 화학 용액 증착법 성장 온도에 따른 Fe
2
O
3
광전극의 물리화학적 및 광전기화학적 특성 연구
Yaejin Hong, Seung-Hwan Jeon, Hyukhyun Ryu, Won-Jae Lee홍예진, 전승환, 류혁현, 이원재
Korean J. Met. Mater.
2020;58(4):263-271. Published online 2020 Mar 10
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.263
Abstract
In this study, Fe
2
O
3
photoelectrode thin films were grown on fluorine-doped tin oxide substrates at various temperatures ranging from 145 to 220 oC using modified chemical bath deposition. The morphological, structural, electrical, and photoelectrochemical properties of the resulting Fe
2
O
3
photoelectrode were analyzed using field emission scanning electron microscopy, X-ray diffraction,.....
More
Web of Science 3
Crossref 2
Oxidation of Ni-Cr-Co-Al-Mo-Ti-Re-Ta-W-Ru Single Crystals at 1000
o
C in Air
Ni-Cr-Co-Al-Mo-Ti-Re-Ta-W-Ru 단결정의 대기중 1000
o
C에서의 산화
Junhee Hahn, Xiao Xiao, Dong Bok Lee한준희, Xiao Xiao, 이동복
Korean J. Met. Mater.
2020;58(4):234-246. Published online 2020 Mar 11
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.234
Abstract
Three kinds of Ni-based single crystals with the compositions of 63.8Ni-7.5Cr-5.1Co-4.8Al-1.9Mo- 0.9Ti-3Re-11.8Ta-1.2W, 61.4Ni-7.4Cr-5Co-4.8Al-1.8Mo-0.9Ti-3.1Re-11.6Ta-4W, and 60.9Ni-7.5Cr-5Co-4.8Al- 2Mo-1Ti-2.9Re-10.9Ta-1.2W-3.8Ru, in wt%, were cast in a Bridgman furnace. In the cast alloys, Cr, Co, Re, Mo, W, and Ru became microsegregated in dendrites consisting of γ-Ni, while Ni, Ta, and Al microsegregated in interdendrites.....
More
Web of Science 6
Crossref 6
Effects of Ni and Cu Addition on Tensile Properties and Thermal Conductivity of High Pressure Die-cast Al-6Si Alloys
고압 다이캐스팅 Al-6Si계 합금의 인장특성 및 열전도성에 미치는 Ni과 Cu 첨가 영향
Jae-Cheol Jang, Kwang Seon Shin장재철, 신광선
Korean J. Met. Mater.
2020;58(4):217-226. Published online 2020 Mar 10
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.217
Abstract
In this study, the effects of nickel and copper on the mechanical and thermal properties of Al-Si alloys were investigated, for different alloy compositions. Thermodynamic calculations were carried out to predict the alloys’ solidification behavior (solidification temperature, solid fraction and physical properties (density, thermal conductivity, elastic modulus, bulk modulus)). The.....
More
Web of Science 6
Crossref 5
Measurement of Intrinsic Hardness of Deposited Chromium Thin Films by Nanoindentation Method and Influencing Factors
나노인덴테이션 방법으로 크롬 박막의 고유경도를 측정하는 방법과 영향 인자
Young-Joon Kang, Ju-Hwan Baeg, Hyun Park, Young-Rae Cho강영준, 백주환, 박현, 조영래
Korean J. Met. Mater.
2020;58(3):207-215. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.207
Abstract
Materials with very small dimensions exhibit different physical and mechanical properties compared to their bulk counterparts. This becomes significantly important for the thin films that are widely used as components in micro-electronics and functional materials. In this study, a chromium (Cr) thin film was deposited on a silicon (Si) wafer.....
More
Web of Science 3
Crossref 3
The Effect of Post Annealing on Physical Properties of NiTe
2
Thin Film Fabricated by Magnetron Sputtering
후열처리 공정이 스퍼터링법으로 제조된 NiTe
2
박막의 물리적 성질에 미치는 영향
Ho Jun Park, Jun Ho Lee, Byeong Uk Min, Suk Jun Kim박호준, 이준호, 민병욱, 김석준
Korean J. Met. Mater.
2020;58(3):195-200. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.195
Abstract
In this study, the effect of post annealing time on the physical properties of NiTe
2
thin films with 2D structure deposited by co-sputtering was investigated. After heat treatment for 10 min, nickel ditelluride thin films with a composition of Ni : Te = 1 : 2 exhibited transmittance of 46%.....
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Web of Science 3
Crossref 3
Long-time Oxidation of Ti
3
(Al,Si)C
2
Carbides at 400-800
o
C
Junhee Hahn, Sang Whan Park, Dong Bok Lee
Korean J. Met. Mater.
2020;58(3):182-189. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.182
Abstract
Quarternay carbides of Ti
3
Al
x
Si
1-x
C
2
(x=0.3, 0.5, and 0.7) were oxidized at 400, 600, and 800 °C for 0.5-6 months in order to study their long-time oxidation behavior in air. When they were oxidized at 400-600
o
C for 0.5-3 months, oxidation proceeded relatively slowly with moderate weight gains. However, further oxidation.....
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Web of Science 3
Crossref 3
Effect of a Metal Thin Film's Residual Stress and Manufacturing Process on Thin Film Micro-Crack
박막 잔류응력 및 제조공정에 따른 금속박막층 미세크랙 영향
Byung-Kyu Cho, Seung-Chan Hong, Byung-Sam Kim, Jae-Kyung Cheon조병규, 홍승찬, 김병삼, 천재경
Korean J. Met. Mater.
2020;58(3):175-181. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.175
Abstract
In recent automobile trends, the functions of opening and closing the vehicle door are accomplished by touch sensor and smart-phone NFC (Near Field Communication) systems. These convenience features are incorporated into the outdoor handle. However, this function can’t be used when chrome plating is applied to this part for design.....
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Web of Science 1
Crossref 1
A Study on Uniaxial Tensile Deformation Behavior of Superelastic Titanium Alloy
초탄성 티타늄 합금의 인장 변형거동 고찰
Hye-Jin Jeong, Viet Tien Luu, Yong-Ha Jeong, Sung-Tae Hong, Heung Nam Han정혜진, 르우비엣띠엔, 정용하, 홍성태, 한흥남
Korean J. Met. Mater.
2020;58(3):162-168. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.162
Abstract
A superelastic titanium alloy was subjected to uniaxial tensile deformation at room temperature. The microstructural evolution and deformation mechanisms of the superelastic titanium alloy were investigated by electron backscatter diffraction (EBSD) and X-ray diffraction (XRD). Multiple deformation mechanisms including stress-induced martensitic transformation (SIMT), dislocation slip, {332}<113> and {112}<111> mechanical twinning.....
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Web of Science 5
Crossref 5
Effect of Post Heat-Treatment on the Microstructure, Tensile and Fatigue Properties of Al 3003 Alloy Manufactured by Strip Casting Process
Strip Casting 공정으로 제조된 Al 3003 합금의 미세조직, 인장 및 피로 특성에 미치는 후열처리 영향
Min-Seok Baek, Kwangjun Euh, Chang-Yeol Jeong, Kee-Ahn Lee백민석, 어광준, 정창열, 이기안
Korean J. Met. Mater.
2020;58(3):151-161. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.151
Abstract
Al 3003 alloy was manufactured by strip casting process, and the effect of post heat-treatment on tensile and fatigue properties was investigated. The strip cast Al 300 alloy exhibited a unique globular shaped rapid-cooled solidification structure, and the microstructural characteristic remained after heat-treatment. Asstrip cast (F) and heat-treated (O) alloys.....
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Web of Science 4
Crossref 4
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