The results show that the grains have been refined after rapid solidification processing, and the micro-nanocrystalline grain are formed.

结果表明：快速凝固不仅使合金组织细化，形成微纳米晶，并能使组织和相结构发生变化。

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Laser rapid forming (LRF), a new solidification processing technology, has many advantages which would make it competitive for the processing of TC21 alloy.

激光快速成形作为一种材料凝固成形新技术，诸多优点使其成为一种具有竞争力的TC 21钛合金成形方法。

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The new PM technology has been introduced, such as superfine powder manufacture, rapid solidification processing, mechanical alloying, liquid phase sintering, rapid consolidation etc.

本文叙述了新的PM技术如超细粉制造技术、快速凝固制粉技术、机械合金化技术、液相烧结技术、快速固结技术等。

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