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首页> 外文会议>Titanium'99: Science and Technology >ARTICLE PRODUCTION FROM TITANIUM ALLOYS BY THE METHOD OF HOT ISOSTATIC PRESSING IN GLASSY-CERAMIC SHELLS WITH TITANIUM AND NIOBIUM BARRIER COATINGS
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ARTICLE PRODUCTION FROM TITANIUM ALLOYS BY THE METHOD OF HOT ISOSTATIC PRESSING IN GLASSY-CERAMIC SHELLS WITH TITANIUM AND NIOBIUM BARRIER COATINGS

机译：热等静压法从钛合金生产含钛和铌障碍涂层的玻璃陶瓷外壳中的制品

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摘要

By using reactions of disproportionation in molten salts coherent titanium and niobium coatings on glassy ceramic shells have been obtained. The glassy ceramic shells with barrier coatings were used to obtain articles from a titanium alloy powder by the method of hot isostatic pressing. It was shown that compacting titanium alloys in a gasostate at a temperature of 1173 K, pressure 2000 atm and the time of pressing 4 hours allows to obtain articles easily removable from the glassy ceramic shells. The thickness of coatings after hot isostatic pressing was shown to decrease by 25-30% without the disruption of the coherence coating. In glassy ceramic shells with titanium and niobium coatings articles with a density close to the theoretical one, without any visible defects and pores were obtained and the character of the microstructure allows to refer them to the type 3-4 titanium α-alloys.
机译：通过在熔融盐中使用歧化反应，已经获得了玻璃陶瓷壳上的钛和铌涂层。使用具有阻隔涂层的玻璃状陶瓷壳，通过热等静压法从钛合金粉末中获得制品。结果表明，以1173K的温度，2000atm的压力和4小时的压制时间在气态下压实钛合金可使制品容易地从玻璃陶瓷壳中取出。热等静压后的涂层厚度显示减少了25-30％，而不会破坏相干涂层。在具有钛和铌涂层的玻璃状陶瓷壳中，制品的密度接近理论值，没有可见的缺陷和孔洞，并且微观结构的特征使它们可以称为3-4型钛α-合金。

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