The main reason for strength increase of V microalloyed steel is ultra-fine microstructure in TSCR process.
组织超细化是导致薄板坯连铸连轧流程V微合金钢强度提高的主要原因。
The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.
研究了超细晶粒钢筋焊接接头的组织和力学性能。
Ultra fine microstructure could increase strength, toughness and work life for steel products, this is developing trend since middle of 90 th in last century of the world.
采用组织超细化提高钢铁结构材料的强韧性和使用寿命是上个世纪90年代中期以来的发展趋势。
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