Carbidauflösungs- und Carbidausscheidungsvorgänge bei der Härtung von Schnellarbeitsstählen
Carbidauflösungs- und Carbidausscheidungsvorgänge bei der Härtung von Schnellarbeitsstählen
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施奈拉贝茨斯塔伦 (Schnellarbeitsstählen) 的碳化物和碳化物治理
DOI:
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发表时间:
1995
期刊:
影响因子:
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通讯作者:
K. Rasche
中科院分区:
文献类型:
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作者:
C. Ernst;E. Haberling;K. Rasche
The carbide transformation behaviour of high-speed steels S 10-4-3-10, S 2-10-1-8 and S 6-5-2 (German grades 1.3207, 1.3247 and 1.3343) during austenitization in salt baths and in vacuum furnaces is being described. With increasing temperature and holding time the carbides are dissolved during the austenitization process except for a non-soluble amount of residual carbides. A delayed cooling rate aftre austenitization results in premature carbide precipitation, which are proved qualitatively as well as quantitatively. Their influence on the properties of the steels investigated - such as microstructure, hardness and toughness - is pointed out.