Investigation of PAT for Advanced Sulphoaluminate MDF Cement

作     者：黄从运 HUANG Congyun YUAN Runzhang LONG Shizong (School of Materials Science and Engineering, Wuhan University o f Technoloy, Wuhan 430070,China)

作者机构：School of Materials Science and Engineering Wuhan University o f Technoloy Wuhan 430070China 

出 版 物：《Journal of Wuhan University of Technology(Materials Science)》 (武汉理工大学学报（材料科学英文版）)

年 卷 期：2005年第20卷第1期

页      面：104-105页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：Funded by the"863"High tech Program(No.2002AA335050) 

主　　题：sulphoaluminate MDF cement PAT MIP polyvinyl alcohol 

摘      要：The method of examining micro-pores in su lp hoaluminate MDF cement by means of the Positron Annihilation Technique (PAT) was *** results show that the intensity I 2 of positrons annihilation wi th moderate life-span (τ 2≈330Ps) increases regularly with the addition of t he numbers of micro-pores (less than 250?). Therefore, the value of I 2 may b e used to opitomize the compactness and integrity of the MDF cement structure. A t the same time, the experiment result of PAT was compared with that of Mercury Intrusion Porosimeter (MIP).