Aiming at the difficulty in modeling of PDC bits and low efficiency.

针对烧结式PDC钻头模具成型困难、生产效率低问题,研制出一种软模成型工艺制造模具.

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Flexible thermal expansion molding is a new low - cost manufacturing technique of composite.

软模热膨胀法是制造复合材料的一种新型廉价成型方法.

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Antiferromagnetic transition has soft modulus effect while martensitic transformation also accompanied by a soft phonon mode.

反铁磁转变存在模量软化,马氏体相变也具有声学软模.

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