论文部分内容阅读
The dependences of the microstructure and hardness of the binary Cr-Ta alloys [Cr-9.0,-9.2,-9.4,-9.6,-9.8,and -13.0 Ta] (mole fraction,%) were investigated.When Ta content of the alloy is less than 9.4%,there are primary dendrite grains of a Cr solid-solu