With the features of ultrafine grain, fair matching of high strength and high toughness in the ultrafine grain steel.
论述了超细晶粒钢的超细晶粒及高强度与高韧性良好匹配的特点。
High strength and high toughness aluminum alloy material is widely used in aerospace structural components and weapons manufacturing.
高强高韧的铝合金材料被广泛地应用于航天航空结构件和武器装备的制造。
The high strength and high toughness hardfacing covered electrode to the medium-high carbon alloy steel surface' repair was put forward in this paper.
本文针对焊缝熔敷金属在高强时，容易开裂问题展开研究，研制了中、高碳合金钢工件表面修复的高强、高韧新型堆焊焊条。
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