Process of strengthening & toughening and cryogenic treatment of LD steel was researched.
研究了新型模具钢LD的强韧化及深冷处理工艺。
Strengthening and toughening mechanism of HTMT of sintered steel was discussed.
文章探讨了烧结钢高温形变淬火的强韧化机理。
The effect of heat treatment process on microstructure and mechanical properties of bearing steel was studied, and the mechanism of strengthening-toughening of the steel was also discussed.
研究了热处理工艺对渗碳轴承钢组织、力学性能的影响规律，并探讨了强韧化机制。
The effect of heat treatment process on microstructure and mechanical properties of bearing steel was studied, and the mechanism of strengthening-toughening of the steel was also discussed.
研究了热处理工艺对渗碳轴承钢组织、力学性能的影响规律，并探讨了强韧化机制。
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