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《POWDER METALLURGY TECHNOLOGY》 1996-01
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CHARACTERISTICS AND CORROSION RESISTANT PROPERTY OF HIGH TUNGSTEN HEAVY ALLOY SINTERED AT LOW TEMPERATURE

Huang Jianzhong; Huang Boyun and Lu Haibo(Central-South Univertity of Indrstry, Changsha, 410083)  
The paper has studied the technological characteristics, deformation, fracture, strengthand corrosion resistence of heavy alloy with high activity composite powder of W,Ni and Cu asraw material and with93% (wt) of tungsten content. After the alloy is sintered at a low temperature of 1240℃,its high tensile strenght as high as 950MPa can be obtained with an average grainsize of tungsten below 5μm which produce obvious grain sire effect,aiding in the improvement ofstrenth,density and homogeneity of alloy and also betterment of the corrosion resistence of alloy.
【CateGory Index】: TF125.241
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