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ASTM C554用热冲击法测定焙烧上釉卫生陶瓷器抗裂开标准试验方法
日期:2012-02-13 18:22
is adequate resistance to repeated abrupt thermal changes. In most cases, the result of inadequate resistance to thermal shock is the appearance of a craze pattern in the glaze. This craze pattern is visible by inspection with oblique lighting and application of a suitable ink or dye.
This test method is applicable to vitreous whitewares that have negligible crazing as a result of moisture expansion. For nonvitreous and semivitreous bodies, refer to Test Method C424.
1. Scope
1.1 This test metho

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