Contractility of Plaster Mould for Arc Spraying Rapid Tooling

Liu Feng; Chen Qiao; Yang Wei

doi:10.15980/j.tzzz.2012.09.029

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Contractility of Plaster Mould for Arc Spraying Rapid Tooling
Vol. 32, Issue 9, Pages: 841-842(2012)
Published： 2012 ，
DOI： 10.15980/j.tzzz.2012.09.029

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[1]刘峰,陈巧,杨伟.电弧喷涂快速制模用石膏母模的收缩性[J].特种铸造及有色合金,2012,32(09):841-842.

Liu Feng, Chen Qiao, Yang Wei. Contractility of Plaster Mould for Arc Spraying Rapid Tooling. [J]. Special Casting & Nonferrous Alloys 32(9):841-842(2012)
[1]刘峰,陈巧,杨伟.电弧喷涂快速制模用石膏母模的收缩性[J].特种铸造及有色合金,2012,32(09):841-842. DOI： 10.15980/j.tzzz.2012.09.029.

Liu Feng, Chen Qiao, Yang Wei. Contractility of Plaster Mould for Arc Spraying Rapid Tooling. [J]. Special Casting & Nonferrous Alloys 32(9):841-842(2012) DOI： 10.15980/j.tzzz.2012.09.029.

摘要

对比试验研究了水膏比、水玻璃和羧甲基纤维素加入量对电弧喷涂快速制模用石膏母模收缩性的影响。结果表明

随着水玻璃和羧甲基纤维素加入量的增加

收缩率呈现增加的趋势;在同一水膏比下

收缩率变化出现一个"峰值"

最小收缩率出现时羧甲基纤维素的加入量在0.15%～0.25%之间。

Abstract

Influences of water-gypsum ratio

soluble glass and CMC on the contractility of the plaster mould for the arc spraying rapid tooling were investigated.The experimental results show that contractility of plaster mould is increased with the increase of the content of the sodium silicate and CMC

and peak value can be oberved in the contractility at a fixed water-gypsum ratio.In addition

the minimum contractility appears with 0.15%

.25% CMC.

关键词

石膏母模水膏比收缩性

Keywords

Plaster MouldWater-Gypsum RatioContractility

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