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。
It is considered that the V-N micro-alloy high carbon wire rods obtain the high strength and toughness mainly due to grain refining and precipitation strengthening.
研究认为钒氮微合金化硬线钢主要通过细晶强化和沉淀析出强化，从而提高钢材的强韧件。
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。
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。
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