The linear shrinkage of green bodies showed an increase firstly but decreased with further increase in the carbon black content.
随着炭黑含量的增加，成形坯体的线型收缩先减小后增大，坯体的强度则逐渐降低。
A new type of multi-function system for testing linear shrinkage, stress and hot cracking of casting alloy is introduced in the paper.
介绍一种新型铸造合金线收缩-应力-热裂特性综合测试系统。
A new multifunctional device for testing linear shrinkage, stress and heat check of casting alloy easily and quickly is developed in the paper.
本文研制一种新型铸造合金线收缩-应力-热裂特性多功能测定仪，它可以方便准确的测定金属热裂、应力、线收缩特性。
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