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FORM AND EFFECT OF Zr IN CuCoBeZr ALLOY

LIU Hefa SUN Naizhen DAI Xueli REN He Zhenjiang Shipbuilding Institute , Zhenjiang , Jiangsu , ChinaLI Lijun Shanghai , Electrical Machinery Plant.Shanghai.China professor.Institute of Metallic Materials Research , Zhenjiang Shipbuilding Institute , Zhenjiang , Jiangsu 212003 , China

金属学报(英文版)

Precipitation form of Zr in CuCoBeZr alloy during solidificotion.cooling and final aging,as well as its effect on the high temperature properties have been studied and discussed.Results show that during solidificotion and cooding.Zr precipitates as fine particle.Cu_3Zr,which pre- vents X-Cu grains f...

关键词: CuCoBeZr alloy , null

Retrieving Effective Stress Spectrum of Fatigued Components from Fractographic Quantitative Analysis

WU Huaisheng ZHONG Qunpeng Jiangsu Institute of Technology , Zhenjiang , 212013 , ChinaBeijing University of Aeronautics and Astronautics , Beijing , 100083 , China

材料科学技术（英文）

Under the constant amplitude and pro- grammed loading conditions the fatigued fracture surfaces of 2024-T3 sheet are examined by SEM and TEM.A corrected method,in which the effects of loading sequence are taken into account,has been developed for the retrieval of effective stress spectrum.The parame...

关键词: fatigue , null , null , null , null

Deformation-induced Microstructures of High-Mn Austenite Steel

Qixun DAI Shupeng HUO Jiangsu Institute of Technology , Zhenjiang , 212013 , China

材料科学技术（英文）

Deformation-induced microstructures of high-Mn austenite steel was investigated by metallography,X-ray diffraction and SEM.The ε-martensite and slip-bands are deformation-in- duced on the{111} planes,and appear as thin straight laths with 60～80° alignment difference be- tween them.It was found that ...

关键词: deformation-induced microstructure , null , null , null , null

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