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Effects of Process Parameters on Metal-Mold Reaction of Ti and Ti-6Al-4V Alloy

机译：工艺参数对Ti和Ti-6Al-4V合金金属模塑反应的影响

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The goal of this study is to investigate the effects of process parameters on metal-mold reaction of titanium alloys during investment casting. A plasma arc melting furnace was used for melting and casting of titanium and Ti-6Al-4V alloy. The selection of candidate mold materials is based on the oxide formation of Gibbs free energy data. The metal-mold reaction of titanium castings was determined by means of OM, SEM, EDS, EPMA, XRD and microhardness profiles. The results showed that the titanium castings produced utilizing Al_2O_3 and ZrO_2 mold had apparent reaction layers, whereas a negligible reaction occurred in the castings into graphite, CaO and CaZrO_3 mold. The extent of metal-mold reaction could be reduced significantly with proper choice of binder. Therefore, mold materials and binder process are the most important process parameter of investment casting of titanium alloys.

机译：本研究的目的是研究过程参数对投资铸造期间钛合金金属模塑反应的影响。等离子弧熔炉用于熔融和浇铸钛和Ti-6Al-4V合金。候选模具材料的选择基于GIBBS自由能数据的氧化物形成。钛铸件的金属模塑反应通过OM，SEM，EDS，EPMA，XRD和微硬度谱测定。结果表明，利用Al_2O_3和ZrO_2模具生产的钛铸件具有明显的反应层，而在铸件中发生可忽略的反应，进入石墨，CaO和Cazro_3模具。使用适当的粘合剂可以显着降低金属模塑反应的程度。因此，模具材料和粘合剂方法是钛合金投资铸造最重要的工艺参数。

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《World conference on titanium》|2004年||共8页
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M.-G. Kim; S.-Y. Sung; Y.-J. Kim;
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6. Effects of Process Parameters on Metal-Mold Reaction of Ti and Ti-6Al-4V Alloy [C] . M.-G. Kim, S.-Y. Sung, Y.-J. Kim World conference on titanium . 2004

机译：工艺参数对Ti和Ti-6Al-4V合金金属模塑反应的影响
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机译：等通道角挤压工艺纯钛的微观组织演变及Ti-6al-4V合金的超塑性

Effects of Process Parameters on Metal-Mold Reaction of Ti and Ti-6Al-4V Alloy

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