نتایج جستجو برای: age hardening

تعداد نتایج: 765574  

Journal: :Journal of Materials Research and Technology 2020

Journal: :The Journal of the Japan Institute of Metals 1938

Journal: :Journal of the Japan Institute of Metals and Materials 1961

Journal: :Metals 2021

In this study, Al0.5CoCrFe1.5NiTi0.5 high-entropy alloy was heat-treated from 500 °C to 1200 for 24 h investigate age-hardening phenomena and microstructure evolution. The as-cast alloy, with a hardness of HV430, exhibited dendritic structure comprising an (Fe,Cr)-rich FCC phase (Ni,Al,Ti)-rich B2 phase, the interdendrite spinodal decomposed BCC phase. Age hardening softening occurred at 800 90...

Journal: :Journal of the Japan Institute of Metals and Materials 1960

Journal: :Journal of the Japan Institute of Metals and Materials 1967

2004
W. A. Soffa D. E. Laughlin

In this review the decomposition of supersaturated Cu–Ti solid solutions and subsequent microstructural evolution are discussed in terms of modern views of precipitation from solid solution. This update is motivated by an anticipated emergence of these alloys as technologically significant high-strength, high-conductivity, precipitation hardened alloys over the next decade replacing conventiona...

2008
Y. H. Zhao Z. Jin R. Z. Valiev

Microstructures and mechanical properties of equal-channel angular pressing (ECAP) processed and naturally aged ultrafine grained (UFG) and coarse grained (CG) 7075 Al alloys as well as their evolutions during annealing were investigated. After the same natural aging, the tensile yield strength, ultimate strength, and microhardness of the UFG samples were 103%, 35%, and 48% higher, respectively...

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