The failure of grid plate made of casting austenite heat resistant steel was analyzed.
分析了铸造奥氏体耐热钢篦板失效原因。
Method The casting post core was made to use PFM again.
方法：采用铸造桩核的方法达到重新制作的目的。
In the first step, billets were made with the method of low super heat casting.
首先采用低过热法制备半固态成形的原始坯料，制定了合理的坯料制备工艺。
In the first step, billets were made with the method of low super heat casting.
首先采用低过热法制备半固态成形的原始坯料，制定了合理的坯料制备工艺。
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