Prediction and Analysis of Post-Treatment of Sustainable Walnut Shell/Co-PES Parts by Laser Sintering  

作　　者：Yueqiang Yu Suling Wang Minzheng Jiang Yanling Guo Ting Jiang 

机构地区：[1]Northeast Petroleum University,College of Mechanical Science and Engineering,Daqing,163318,China [2]Northeast Forestry University,College of Mechanical and Electrical Engineering,Harbin,150040,China [3]Northeast Forestry University,Research and Development Center of 3D Printing Material and Technology,Harbin,150040,China

出　　处：《Journal of Renewable Materials》2021年第2期351-364,共14页可再生材料杂志（英文）

基　　金：This study was supported by Scientific Research Staring Foundation of Northeast Petroleum University(1305021868);the National Natural Science Foundation of China(51475089);the National Key R&D Program of China(2017YFD0601004);the Natural Science Foundation of Heilongjiang Province(ZD2017009);Fundamental Research Funds for the Central Universities(2572017PZ06);the Special Project of Scientific and Technological Development of Central Guidance for Local(ZY16C03).

摘　　要：In order to enhance the strength of sustainable walnut shell/Co-PES(WSPC)sintered parts,wax-filtrated posttreatment was carried out.The effects of treating fluid temperature,preheating time and immersion time on the bending strength of WSPC wax-filtrated parts were analyzed by single factor analysis method.To obtain an accurate model for predicting the bending strength of the WSPC wax-filtrated part,the experiments were involved by using Box-Behnken design(BBD).Main parameters,such as treating fluid temperature,preheating time and immersion time,and their interactive effects were analyzed through analysis of variance(ANOVA)and graphical contours.The results demonstrated that all parameters’direct effects were significant to bending strength of the WSPC wax-filtrated part.Its optimum value was 5.0 MPa when the treating fluid temperature of 70°C,preheating time of 50 min,and immersion time of 20 s.The predicted models effectively validated had good predicting accuracy.The WSPC wax-filtrated part using optimal processing parameters was processed by investment casting,and then the metal casting of dimensional stability and smooth surface was obtained.Investment casting was done using WSPC wax-filtrated parts under optimal process parameters and then metal parts with stable structure size and smooth surface can be obtained,which indicates that WSPC material can be used for investment casting.

关 键 词：Agricultural and forestry wastes three-dimensional printing selective laser sintering post processing response surface methodology 

分 类 号：TG1[金属学及工艺—金属学]