钢表层硬化深度测定法 Measuring Case Depth For Steel
表层硬度，沿深度方面的硬度变化和表层的疏松等级都比常规的通氨滴醇法优越。
Surface hardness, hardness along the depth and the degree of layer looseness are all Superioors than the conventional drop-feeding process with methanol and ammonia.
而最表层由于获得完全细化的马氏体组织，拥有较好的回火稳定性，与未偏磨面表层硬度相当。
However, because of fully granin refinement of martensite and good perfornance of temper resistance , the hardness of outer surface of worn side is equal to that of non-worn side.
实验研究证实，通过氮离子注入的方法对钽基材进行表面强化，可大大提高钽村的表层硬度及耐蚀性能。
In this paper, it has been shown that the hardness and the anti-corrosion properties of the Ta-surface will be greatly improved by use of the N-ion implantation.
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