Chemistry design of B-containing ultra-heavy plate steels aided by Thermo-Calc calculation

摘要：

Effect of N-bonding elements on dissolution and precipitation of B in micro B-treated ultra-heavy plate steels has been investigated, utilizing Thermo-Calc thermo-dynamic software and experimental test. The calculation results show that Titanium or excessive Aluminum content is effective to bond Nitrogen, preventing BN from forming and thus keeping boron in solid solution in austenite, while Vanadium is not. The experiment has also revealed that slight amount of solution Boron by addition of Ti or a little excessive Aluminum is helpful to improve hardenability of the steels.

关键词： Boron hardenability Thermo-Calc ultra-heavy plate Aluminum

作者: PAN Tao WANG Xiaoyong WANG Hua LI Yun SU Hang YANG Caifu

作者单位: Division of structural materials, Central Iron & Steel Research Institute, Beijing 100081, China Anshan Iron & Steel Co., Ltd., Anshan 114001, China

会议类型: 国际会议

会议名称: The 6th International Conference on High Strength Low Alloy Steels(第六届高强度低合金钢国际会议HSLA Steels2011)

会议地点: 北京

会议语种:英文

页码: 604-607

在线出版日期: 2011-05-31（万方平台首次上网日期，不代表论文的发表时间）