Acta Metallurgica Sinica (English Letters)

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Low-Cycle Fatigue and Creep-Fatigue Behaviors of a Second-Generation Nickel-Based Single-Crystal Superalloy at 760 °C
Acta Metallurgica Sinica (English Letters) - Tập 33 - Trang 1423-1432 - 2020
Jian Zhang, Yuan-Yuan Guo, Mai Zhang, Zhen-Yu Yang, Yu-Shi Luo
Low-cycle fatigue (LCF) behaviors of a second-generation nickel-based single-crystal superalloys with [001] orientation at 760 °C have been investigated. Different strain amplitudes were introduced to investigate the creep-fatigue effects. The LCF life of none tensile holding (NTH) was higher than that of the 60-s tensile hold (TH) at any strain amplitude. As the strain amplitude was 0.7%, the sta...... hiện toàn bộ
Correlation Between Dynamic Compressive Strength and Fracture Behaviors of Bulk Metallic Glasses
Acta Metallurgica Sinica (English Letters) - Tập 33 - Trang 1407-1415 - 2020
Wenqing Li, Zhengwang Zhu, Guojie Li, Long Zhang, Zhengkun Li, Huameng Fu, Hongwei Zhang, Hong Li, Aimin Wang, Haifeng Zhang
The mechanical behaviors of Zr43.5Cu43.5Ni4Al8Nb1, Zr55.4Cu31.6Ni4Al8Nb1, Ti32.8Zr30.2Ni5.3Cu9Be22.7 (at.%) metallic glass at different strain rates were studied. For all the present alloys, the dispersion over 700 MPa was observed on the strength in the repeated dynamic compressions, which was much stronger than that of the quasi-static compressive strength. Such the dispersion of the dynamic com...... hiện toàn bộ
Laves Phase Formation and Its Effect on Mechanical Properties in P91 Steel
Acta Metallurgica Sinica (English Letters) - Tập 28 - Trang 1238-1246 - 2015
Zhi-Xin Xia, Chuan-Yang Wang, Yan-Fen Zhao, Guo-Dong Zhang, Lu Zhang, Xin-Ming Meng
Effect of Laves phase formation on mechanical properties in a pressurized T-junction of P91 steel pipe at 849 K for 58,000 h with 25.65 MPa vapor pressure was studied. Thermodynamic calculations had been performed by using the software Thermo-Calc to study the phase at equilibrium state. Counter plot of von Mises stress in the pipe during service life was calculated by finite element analysis to s...... hiện toàn bộ
Different Mechanisms of ε-M and α′-M Variant Selection and the Influencing Factors of ε-M Reversion During Dynamic Tension in TRIP Steel
Acta Metallurgica Sinica (English Letters) - Tập 31 Số 5 - Trang 449-455 - 2018
Lina Wang, Ping Yang, Tao Jin, Weimin Mao
Kinetics and Morphological Analysis of Silver Platinum Bimetallic Nanoparticles
Acta Metallurgica Sinica (English Letters) - - 2016
Fredrick Okumu, Mangaka Matoetoe
Kinetics of a one-pot core–shell synthesis of bimetallic (BM) silver–platinum (Ag–Pt) nanoparticles (NPs) by simultaneous reduction of 1:1 mol fraction of precursors H2PtCl6·6H2O and AgNO3 in aqueous solution is reported. Kinetics analysis was done by plotting UV–visible absorptions versus reaction time with a first-order fitting. Recorded constants of Ag NPs (0.079 s−1), Ag–Pt NPs 1:1 (0.082 s−1)...... hiện toàn bộ
Microstructure, Residual Strain and Stress Corrosion Cracking Behavior in 316L Heat-Affected Zone
Acta Metallurgica Sinica (English Letters) - Tập 29 - Trang 848-858 - 2016
Hong-Liang Ming, Zhi-Ming Zhang, Peng-Yuan Xiu, Jian-Qiu Wang, En-Hou Han, Wei Ke, Ming-Xing Su
Austenitic stainless steels are usually chosen to make many components of nuclear power plants (NPPs). However, their microstructure in the heat-affected zone (HAZ) will change during the welding process. Some failures of the weld joints, mainly stress corrosion cracking (SCC), have been found to be located in the HAZ. In this research, the microstructure, micro-hardness, residual strain and SCC b...... hiện toàn bộ
Chemical Composition Effect on Microstructures and Mechanical Properties in Friction Stir Additive Manufacturing
Acta Metallurgica Sinica (English Letters) - Tập 35 - Trang 1494-1508 - 2022
Jian-Yu Li, Shi-Ning Kong, Chi-Kun Liu, Bin-Bin Wang, Zhao Zhang
The variation of chemical compositions can affect the mechanical property of friction stir additive manufacturing (FSAM). Quantitative characterization of the relationship between the chemical composition and the mechanical property of FSAM components is key to control the quality of FSAM components. The effect of chemical composition on the mechanical property of 6xxx series aluminum alloy FSAM j...... hiện toàn bộ
Investigation of Material Properties Based on 3D Graphite Morphology for Compacted Graphite Iron
Acta Metallurgica Sinica (English Letters) - - Trang 1-10 - 2024
Chenglu Zou, Yan Zhao, Gang Zhu, Jianchao Pang, Shaogang Wang, Yangzhen Liu, Feng Liu, Shouxin Li, Zhefeng Zhang
The strength and thermal conductivity of compacted graphite iron (CGI) are crucial performance indicators in its engineering application. The presence of graphite in CGI significantly influences the two properties. In the previous studies, graphite in CGI was often described using two-dimensional (2D) morphology. In this study, the three-dimensional (3D) size, shape, and distribution of graphite i...... hiện toàn bộ
The effect of multilayer structure on magnetic properties of FePt thin films
Acta Metallurgica Sinica (English Letters) - Tập 22 - Trang 22-26 - 2009
Kaifeng DONG, Xiaofei YANG, Junbing YAN, Weiming CHENG, Xiaomin CHENG
Microstructure and Mechanical Properties of Intercritical Heat-affected Zone of X80 Pipeline Steel in Simulated In-Service Welding
Acta Metallurgica Sinica (English Letters) - - 2015
Xinjie Di, Lin Cai, Xi-Xue Xing, Cuixin Chen, Zhen-Kui Xue
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