Cobalt and the Toughness of Steel

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NETL

外文摘要：In developing compositions for new ultra-high strength steels it is important to understand the effects of alloying additions on the microstructure, strength and fracture resistance. Cobalt has been widely used in the development of high toughness ultra-high strength steels and the effects of cobalt on the strength of steels has been studied extensively but there is remarkably little known about how cobalt influences toughness. In this article are reviewed the effects of cobalt on the toughness of steel. The literature suggests that cobalt in solid solution will act to raise the ductile-to-brittle transition temperature but that it can act to increase the upper-shelf toughness of steel.

外文关键词：

steelcobaltfracturetoughnessDBTT

作者：

Warren M. Garrison Jr.

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作者单位：

Department of Materials Science and Engineering Carnegie Mellon University, Pittsburgh PA 15213, USA

会议名称：

International conference on advances in metallic materials and manufacturing processes for strategic sectors;ICAMPS 2012

会议地点：

Trivandrum(IN);Trivandrum(IN)

会议母体文献：

Advances in metallic materials and manufacturing processes for strategic sectors

页码：

p.3-10

出版时间：

2012

DOI：

10.4028/www.scientific.net/MSF.710.3