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首页> 外文期刊>ISIJ international >Change in Mechanical Properties by Titanium Addition in Aged Martensitic 18Ni–9Co–5Mo Alloy
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Change in Mechanical Properties by Titanium Addition in Aged Martensitic 18Ni–9Co–5Mo Alloy

机译：老化的马氏体18Ni-9Co-5Mo合金中钛添加引起的机械性能变化

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摘要

Maraging steels are a group of materials with high strength and toughness. Titanium is the most widely used element in the above group, which helps to improve the mechanical properties by the formation of coherent Ni_(3)Ti precipitates during the aging process. However, due to the high affinity of Ti to elements such as C, N, S and O, harmful inclusions of these elements may form in the steels if due care is not exercised during the processing. The present research explores the effects of titanium, within the range of 1–2 weight percent, on the mechanical properties of C300-grade maraging steels produced by vacuum arc remelting (VAR) technique. Then there is a discussion of the formation of deleterious titanium-rich inclusions and their effect on the mechanical properties of steel.
机译：马氏体时效钢是具有高强度和韧性的一组材料。钛是上述组中使用最广泛的元素，通过在时效过程中形成相干的Ni_（3）Ti沉淀物，有助于改善机械性能。但是，由于Ti对元素（如C，N，S和O）的高度亲和力，如果在加工过程中未加注意的话，这些元素中可能会形成有害的夹杂物。本研究探索了1-2％（重量）范围内的钛对通过真空电弧重熔（VAR）技术生产的C300级马氏体时效钢的机械性能的影响。然后讨论有害的富钛夹杂物的形成及其对钢力学性能的影响。

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