研究了钨粉粒度和碳化钽对钨块致密化和晶粒大小的影响。
The effects of particle size of tungsten powders and TaC quantity on densification and grain size were investigated.
为改善钽喷丝头的品质，提高其硬度和耐碱腐蚀能力，利用热丝CVD制备不同粒径的金刚石薄膜，并通过对钽衬底的碳化处理，成功使之沉积于纯钽喷丝头表面，对纯钽喷丝头进行表面强化。
To improve the quality of Ta Spinnerets with high hardness and alkali-proof corrosion, HFCVD is used to deposit crystalline diamond films with different sizes of grain on carbonized Ta spinnerets.
在铁的溶解度高，需要使用的钢和铌钽碳化物补充。
High solubility in iron requires the additions of tantalum and niobium carbides for steel usage.
在铁的溶解度高，需要使用的钢和铌钽碳化物补充。
High solubility in iron requires the additions of tantalum and niobium carbides for steel usage.
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