The Influence of Water on Properties of Plaster Mold

Gao Yixi Diao Yuhua

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The Influence of Water on Properties of Plaster Mold
Issue 6, (1995)
Published： 1995 ，
DOI：

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[1]高以熹,刁玉华.水的属性对石膏型性能的影响[J].特种铸造及有色合金,1995(06):5-7.

Gao Yixi Diao Yuhua. The Influence of Water on Properties of Plaster Mold. [J]. Special Casting & Nonferrous Alloys (6).(1995)
[1]高以熹,刁玉华.水的属性对石膏型性能的影响[J].特种铸造及有色合金,1995(06):5-7. DOI：

Gao Yixi Diao Yuhua. The Influence of Water on Properties of Plaster Mold. [J]. Special Casting & Nonferrous Alloys (6).(1995) DOI：

摘要

在固定石膏品种及制备工艺的条件下，研究了水温从２０℃至５０℃，地下水、蒸馏水、磁化水等不同水质对石膏性能的影响。试验表明：随着水温的上升，石膏浆体的流动性下降，胶凝硬化时间缩短，硬化体的强度、收缩增加。蒸馏水及磁化水均使石膏硬化后强度显著增高，收缩明显加大，对石膏浆体的流动性及胶凝特性影响较小。

Abstract

As the kind of plaster and the technology of process were fixed

the influence of water（temperature of water

underground water

distill water.magnetizing water）on properties ofplaster mold has been studied.Experimental results show that when temperature of water is raisedthe flowability of plaster slurry is decreased the gelation time is shortened and the strength an4shrinkage increased with distilled water and magnetizing water

the strength and shrinkage are increased obviously.

关键词

水石膏胶凝硬化

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