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Development of ? type titanium alloy suitable for gold processing and wear-resistant carbide dispersed titanium alloy

机译：发展 ？适用于金加工的类型钛合金和耐磨的碳化物分散钛合金

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Two new original titanium alloys have beendeveloped to expand the titanium market for various uses.First, ? type titanium alloy, which is suitable for cold processing,Ti-20V-4Al-1Sn which has excellent low cold flow stress in thesolution-treated condition in comparison with the other ? typetitanium alloy such as ?C and Ti-15V-3Cr-3Sn-3Al has beendeveloped by optimizing V, Al and Sn contents. This alloy has highstrength and ductility after aging treatment.Secondly, in order to improve the wear resistance of titanium, awear resistant carbide dispersed titanium alloy has been developedusing the composing method by in-situ crystallized particles inPTA hard facing process or ordinary VAR melting process. Thisnew alloy which consist of fine crystallized titanium carbideparticles and the tough ?Ti matrix shows wear resistanceequivalent to Stellite NO.6, and possesses excellent hot-workability and sufficient mechanical properties. So, this alloy hasbeen applied to the structural use.
机译：已经开发了两种新的原始钛合金，以扩展各种用途的钛市场。适用于冷加工的钛型钛合金，Ti-20V-4Al-1Sn在固溶处理条件下与其他合金相比具有极低的冷流应力。通过优化V，Al和Sn的含量，开发了诸如TiC和Ti-15V-3Cr-3Sn-3Al之类的钛合金。该合金经过时效处理后具有较高的强度和延展性。其次，为了提高钛的耐磨性，已经通过在PTA硬面工艺或普通VAR熔化工艺中原位结晶颗粒的组成方法，开发了一种耐磨的碳化物分散的钛合金。这种由细小的结晶碳化钛颗粒和坚韧的αTi基体组成的新合金具有与Stellite NO.6相当的耐磨性，并具有出色的热加工性和足够的机械性能。因此，该合金已被应用于结构用途。

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