兵器材料科学与工程
兵器材料科學與工程
병기재료과학여공정
Ordnance Material Science and Engineering
2010年
2期
118-122
,共5页
崔新忠%范亚夫%纪伟%陈捷
崔新忠%範亞伕%紀偉%陳捷
최신충%범아부%기위%진첩
动态断裂韧性%Hopkinson杆技术%综述%动态应力强度因子%加载率
動態斷裂韌性%Hopkinson桿技術%綜述%動態應力彊度因子%加載率
동태단렬인성%Hopkinson간기술%종술%동태응력강도인자%가재솔
dynamic fracture toughness%Hopkinson bar technique%review%dynamic stress intensity factor%loading rate
综述应用Hopkinson杆技术进行材料动态断裂韧性研究的实验方法.介绍入射波整形技术和力传感器技术在动态断裂韧性实验中的应用.简要总结动态应力强度因子的计算方法和裂纹起裂时间的确定方法.展望动态断裂韧性研究的发展趋势.
綜述應用Hopkinson桿技術進行材料動態斷裂韌性研究的實驗方法.介紹入射波整形技術和力傳感器技術在動態斷裂韌性實驗中的應用.簡要總結動態應力彊度因子的計算方法和裂紋起裂時間的確定方法.展望動態斷裂韌性研究的髮展趨勢.
종술응용Hopkinson간기술진행재료동태단렬인성연구적실험방법.개소입사파정형기술화력전감기기술재동태단렬인성실험중적응용.간요총결동태응력강도인자적계산방법화렬문기렬시간적학정방법.전망동태단렬인성연구적발전추세.
The experimental techniques of dynamic fracture toughness based on Hopkinson bar technique were summarized.Some new improvements on the technique such as pulse shaping technique and force transducer were introduced.The methods of calculating dynamic stress intensity factor and determining crack-initiation time were generalized briefly.The viewpoint of future development of dynamic fracture toughness was proposed.
