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发表于 2013-8-12 07:36:05
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该工艺适用于特定的高强度钢,用真空炉而不是盐浴炉就更加环保。
Practical studies confirm the benefits of ausbay quenching in reducing distortion during hardening of complex components. While the use of ausbay quenching is limited to certain alloy compositions, many of the steels used in high strength applications can be successfully hardened by this technique. The use of vacuum furnaces for ausbay quenching is a relatively recent advance made possible by microprocessor-based furnace control systems and specialized equipment design. By combining gas and oil quenching in an interrupted quenching process, high strength steels can be heat treated to achieve full mechanical properties while minimizing quench distortion. Ausbay quenching reduces heat treating costs by avoiding labour and tooling expenses associated with hot straightening. The use of vacuum furnaces for performing this process provides further cost savings over older heat treating technologies by eliminating several expensive environmental concerns.
详细介绍见附件
advanced techniques.pdf
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