Effect of High-Temperature HIP on the Microstructure and Properties of Refractory Metals
The microstructure and mechanical properties of pure tungsten,tungsten lanthanum,TZM,and MHC materials were analyzed by using high-temperature HIP at 1 800℃.The experiment found that after HIP1800 treat-ment,the grain size of tungsten lanthanum alloy did not change significantly,and the hardness was higher than that of pure tungsten;the difference in performance between TZM and MHC molybdenum alloys in stress relieved state was eliminated after HIP1800,and they had similar microstructure and room temperature mechanical prop-erties.
hot isostatic pressing(HIP)refractory metalsmicrostructuremechanical properties
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