Results 21 to 30 of about 10,399,078 (343)

Independent Consultation and Investigation Mechanism: 2021 Annual Report [PDF]

, 2022
2021 has been a year of momentous change for MICI. In another year marked by the extraordinary circumstances of the COVID-19 pandemic and the ensuing challenges to case management and activities overall, we also saw changes in our team.
Inter-American Development Bank
core   +1 more source

Effect of aging treatment on the behavior of room temperature tensile of P/M superalloys used for inertia friction welding joints

Fenmo yejin jishu, 2021
The behavior of the room temperature tensile of the FGH96 P/M superalloys connected by the inertia friction welding before and after the aging treatment was investigated, and the failure mechanism of the FGH96 P/M superalloys was evaluated.
ZHOU Xiao-ming, FENG Ye-fei, ZENG Wei-hu, WU Dan, TIAN Gao-feng   +4 more
doaj   +1 more source

Research progress on C-coated Ti composite powders used for preparing high-performance Ti matrix composites

Fenmo yejin jishu, 2022
The morphology and distribution of reinforcements in the titanium matrix composites (TMCs) are crucial in determining the material performances. Due to the uncontrollable morphology and inhomogeneous distribution of the reinforcements in the current TMCs,
LI Shao-fu, YANG Ya-feng
doaj   +1 more source

Improved mechanical properties and strengthening mechanism with the altered precipitate orientation in magnesium alloys

, 2021
Aging prior to twinning deformation was proposed to alter the precipitate orientation of the plate-shaped β-Mg17Al12 from (0002)α basal planes (named basal plates) to {10 1 ¯ 0}α prismatic planes (named prismatic plates) in AZ31 Mg alloy.
Y. Wan, Ying Zeng, Dou Yuchen, D. Hu, X. Qian, Q. Zeng, K. Sun, G. Quan   +7 more
semanticscholar   +1 more source

A Model for Direct Effect of Graphene on Mechanical Property of Al Matrix Composite

Metals, 2023
Direct effect of graphene on mechanical property of Al matrix composite has been studied by using molecular dynamic (MD) methods. The models of graphene-reinforced composite are achieved by modeling the sintering system consisting of Al particles and ...
Hongshuo Sun, Na Li, Yongchao Zhu, Kailiang Liu   +3 more
doaj   +1 more source

Simultaneous Improvement in Strength and Ductility of TC4 Matrix Composites Reinforced with Ti1400 Alloy and In Situ-Synthesized TiC

Metals, 2023
To overcome the tradeoff between strength and ductility of materials and obtain titanium matrix composites with excellent mechanical properties, in this study, the in situ-synthesized TiC particles and Ti-Al-V-Mo-Cr (Ti1400) alloy-reinforced Ti6Al4V (TC4)
Ni He, Mingjia Li, Guodong Sun, Junjie Xu, Mingyang Li, Longlong Dong, Yusheng Zhang   +6 more
doaj   +1 more source

Microstructure and mechanical properties of ultra-high strength TiCp/Mg-1.4Zn-2.6Ca-0.5Mn nanocomposite after hot extrusion

Journal of Aeronautical Materials, 2020
A uniform distribution of TiCp nanoparticles was realized in the TiCp/Mg-1.4Zn-2.6Ca-0.5Mn nanocomposite fabricated by the method of ultrasonic-assisted semisolid stirring.
NIE Kaibo, ZHU Zhihao, DENG Kunkun, HAN Jungang   +3 more
doaj   +1 more source

Atomistic Investigation on the Strengthening Mechanism of Single Crystal Ni-Based Superalloy under Complex Stress States

Metals, 2022
Single crystal Ni-based superalloy, with excellent mechanical properties in high temperature, always works under complex stress states, including multiaxial tension and compression, which results in various strengthening mechanisms.
Bin Xie, Xinyu Wang, Yongsheng Fan, Ruizhi Li   +3 more
doaj   +1 more source

Strengthening and fracture mechanisms of a precipitation hardening high-entropy alloy fabricated by selective laser melting

Virtual and Physical Prototyping, 2022
A precipitation hardening high-entropy alloy (HEA) (FeCoNi)86Al7Ti7 was fabricated by selective laser melting (SLM) and ageing treated under different temperatures and time conditions.
Yaowen Wu, Xinyi Zhao, Qiang Chen, Can Yang, Mingguang Jiang, Changyong Liu, Zhe Jia, Zhangwei Chen, Tao Yang, Zhiyuan Liu   +9 more
doaj   +1 more source

Alternative characterizations of Boston mechanism [PDF]

, 2013
Kojima and Ünver (2011) are the first to characterize the class of mechanisms coinciding with the Boston mechanism for some priority order. By mildly strengthening their central axiom, we are able to pin down the Boston mechanism outcome for every ...
Mustafa Oǧuz Afacan, Afacan, Mustafa Oğuz   +1 more
core   +1 more source