Material removal mechanisms and characteristics of potassium dihydrogen phosphate crystals under nanoscratching

作     者：Ning Hou Yong Zhang Liang-Chi Zhang Ming-Hai Wang Ning Hou;Yong Zhang;Liang-Chi Zhang;Ming-Hai Wang

作者机构：School of Mechatronics EngineeringShenyang Aerospace UniversityShenyang 110136People’s Republic of China Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing ProcessShenyang Aerospace UniversityShenyang 110136People’s Republic of China School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin 150001People’s Republic of China Department of Mechanics and Aerospace EngineeringSouthern University of Science and TechnologyShenzhen 518055GuangdongPeople’s Republic of China 

出 版 物：《Advances in Manufacturing》 (先进制造进展（英文版）)

年 卷 期：2021年第9卷第4期

页      面：558-567页

核心收录：

学科分类：07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：the National Natural Science Foundation of China(NSFC)(Grant Nos.51905356 and 51875137) the Doctoral Startup Foundation of Liaoning Province(Grant No.2020-BS-178) the Open Foundation of the Key Laboratory of Fundamental Science for the National Defense of Aeronautical Digital Manufacturing Process of Shenyang Aerospace University(Grant No.SHSYS202002) the Specific Discipline of Guangdong Province(Grant No.2020ZDZX2006) 

主　　题：Potassium dihydrogen phosphate(KDP)crystals Removal mechanism Nanoscratching Indenter geometry 

摘      要：Potassium dihydrogen phosphate(KDP)crystals are important materials in high-energy laser ***,because these crystals are brittle and soft,machining-induced defects often emerge in KDP *** study aimed to investigate the material removal mechanisms and characteristics of KDP during nanoscratching using Berkovich,spherical,and conical *** found that KDP surface layers could be removed in a ductile mode at the micro/nanoscale and that dislocation motion was one of the main removal *** characteristics are related to the stress fields generated by indenter *** spherical indenter achieved a ductile removal mode more *** lateral force of nanoscratching increased with an increase in the normal *** coefficient of friction(COF)followed the same trend as the lateral force when spherical and conical indenters were ***,the COF was independent of the normal force when using a Berkovich *** found that these COF variations could be accurately described by friction models.