六偏磷酸钠对镁合金金属型涂料性能的影响

郭广思; 于海峰; 董晨阳

doi:10.15980/j.tzzz.2014.03.009

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六偏磷酸钠对镁合金金属型涂料性能的影响
Effects of Hexametaphosphate on the Metal Mold Coating for Magnesium Alloys
2014年34卷第3期页码：240-242
纸质出版日期： 2014 ，
DOI： 10.15980/j.tzzz.2014.03.009

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[1]郭广思,于海峰,董晨阳.六偏磷酸钠对镁合金金属型涂料性能的影响[J].特种铸造及有色合金,2014,34(03):240-242.

Guo Guangsi, Yu Haifeng, Dong Chenyang. Effects of Hexametaphosphate on the Metal Mold Coating for Magnesium Alloys[J]. Special Casting & Nonferrous Alloys, 2014,34(3):240-242.
[1]郭广思,于海峰,董晨阳.六偏磷酸钠对镁合金金属型涂料性能的影响[J].特种铸造及有色合金,2014,34(03):240-242. DOI： 10.15980/j.tzzz.2014.03.009.

Guo Guangsi, Yu Haifeng, Dong Chenyang. Effects of Hexametaphosphate on the Metal Mold Coating for Magnesium Alloys[J]. Special Casting & Nonferrous Alloys, 2014,34(3):240-242. DOI： 10.15980/j.tzzz.2014.03.009.

摘要

为提高镁合金金属型涂料的品质

对镁砂粉为骨料的金属型涂料进行了研究

探讨了作为粘结剂的六偏磷酸钠加入量对涂料性能的影响。结果表明

六偏磷酸钠是一种很好的涂料粘结剂。适当的六偏磷酸钠加入量可增加涂料的强度

有效地提高涂料的粘度

改善涂料的滴淌性

使涂料具有一定的屈服值

具有触变性。试验确定在镁砂粉为骨料的镁合金金属型涂料中

六偏磷酸钠的最佳加入量为骨料质量的6%。

Abstract

In order to improve the quality of metal mold coating for magnesium alloy

magnesia powder as aggregate for metal coatings was investigated

and effects of hexametaphosphate addition as binding agent on performance of the coating were analyzed.The experimental results reveal that the appropriate sodium hexametaphosphate addition can improve the strength

the viscosity and the dripping behavior of the coating

meanwhile

the coatings exhibit a certain yield value and thixotropic behavior.Metal coating for the magnesium alloy with magnesia powder as aggregate and 6% sodium hexametaphosphate addition presents desirable ability.