图书来源:二元合金相图及中间相晶体结构 二元合金相图及中间相晶体结构
作 者:唐仁政 田荣璋
出版时间:2009-05
定 价:320元
图书ISBN:978-7-81105-831-4
出版单位:中南大学出版社
Weiguo Jiang,Jiasheng Dong,Langhong Lou,Ming Liu and Zhuangqi Hu Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China
摘 要:A novel water-soluble core material composed of polyethylene glycol,sodium chloride,mica powder and plasticizer was prepared.The compressive strength,bend strength,hygroscopic coefficient and the material solubility in water were investigated.The results show that the compressive yield strength of the soluble core can reach 1 MPa and the highest compressive strength can reach 4 MPa,the bend strength is as high as 6.65 MPa,the hygroscopic coefficient is lower than 0.22%/month and the solubility of suitable core material is 35.7-55.75 g/(min·m 2).The wax pattern with undercuts was prepared successfully by using the novel water-soluble core material.
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