2003, Volume 5, Issue 9
Strategic Study of CAE >> 2003, Volume 5, Issue 9
Studying the New Strength-toughen Mechanisms,Developing a New Field of Ultra-high Steel
Beijing Institute of Aeronautical Materials, Beijing 100095, China
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Abstract
The new strength-toughen mechanisms, such as super fine Martensitic laths, new strength phases, Laves phase and M2C carbide, precipitated coherence with Martensitic matrix and the VIM + VAR double vacuum melting with super pureness, super homogenization hotwork, controlled Martensite transformation heat treatment techniques have been investigated. By means of them a new type of low carbon stainless steel, 14Cr-12Co-5Mo-Me, with ultra-high strength, high plasticity and high toughness was obtained.
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