第7期 蔡力勋等：用于延性断裂韧性测试的载荷分离方法与应用 ·875 Fract Mech,2006,73:524 [20]Paris P C,Ernst H,Tumer C E.A Jintegral approach to devel- [5]Tian Z,Sun X W.A new direct method for evaluating current opment of nfactors /Fracture Mechanics.Baltimore,1980: crack length of precracked specimen.J Exp Mech,1995,10 338 (4):377 [21]Sharobeam M H,Landes J D,Herrera R.Development of eta (田泽，孙学伟.求解予裂试件实时裂纹长度的一种新的直 factors in elastic-plastic fracture testing using a load separation 接法.实验力学，1995,10(4)：377) technique /Elastic Plastic Fracture Test Methods.Philadelphia [16]Sun Z,Sun X W,Cui L et al.A new method for the measure- 1991:114 ment of J resistance curves.J Exp Mech,1997,12(3):442 [22]Sharobeam M H,Landes J D.The load separation and n devel- (孙佐，孙学伟，崔丽，等。主导曲线法测定J阻力曲线的研 opment in precracked specimen test records.Int fract,1993, 究.实验力学，1997,12(3)：442) 59:213 [17]Emst H A,Paris P C,Landes J D.Estimations on J-integral and 123]Herrera R,Landes J D.A direct JR curve analysis of fracture tearing modulus T from a single specimen test record /Fracture toughness tests.J Test Eral,1988,16(5)427 Mechanics.Baltimore,1981:476 [24]Landes J D,Herrera R.A new look at J-R curve analysis.Int J 18] Sharobeam M H,Landes J D.The load separation criterion and Fract,1988,36:R9 methodology in ductile fracture mechanics.Int J Fract,1991, [25]Herrera R,Landes J D.Direct J-R curve analysis:a guide to the 47:81 methodology /Fracture Mechanics.Philadelphia,1990:24 [19]Bernal C,Cassanelli A.Frontini P.On the applicability of the D26]Landes J D,Zhou Z,Lee K,et al.Normalization method for de- load separation criterion to acrylonitrile/butadiene/styrene ter- veloping J-R curves with the LMN function.J Test Eral,1991, polymer resins.Ploymer,1996,37(18):4033 19(4):305第 7 期 蔡力勋等: 用于延性断裂韧性测试的载荷分离方法与应用 Fract Mech，2006，73: 524 ［15］ Tian Z，Sun X W． A new direct method for evaluating current crack length of precracked specimen． J Exp Mech，1995，10 ( 4) : 377 ( 田泽，孙学伟． 求解予裂试件实时裂纹长度的一种新的直 接法． 实验力学，1995，10( 4) : 377) ［16］ Sun Z，Sun X W，Cui L，et al． A new method for the measure￾ment of J resistance curves． J Exp Mech，1997，12( 3) : 442 ( 孙佐，孙学伟，崔丽，等． 主导曲线法测定 J 阻力曲线的研 究． 实验力学，1997，12( 3) : 442) ［17］ Ernst H A，Paris P C，Landes J D． Estimations on J-integral and tearing modulus T from a single specimen test record / / Fracture Mechanics． Baltimore，1981: 476 ［18］ Sharobeam M H，Landes J D． The load separation criterion and methodology in ductile fracture mechanics． Int J Fract，1991， 47: 81 ［19］ Bernal C，Cassanelli A，Frontini P． On the applicability of the load separation criterion to acrylonitrile /butadiene /styrene ter￾polymer resins． Ploymer，1996，37( 18) : 4033 ［20］ Paris P C，Ernst H，Turner C E． A J-integral approach to devel￾opment of η-factors / / Fracture Mechanics． Baltimore，1980: 338 ［21］ Sharobeam M H，Landes J D，Herrera R． Development of eta factors in elastic-plastic fracture testing using a load separation technique / / Elastic Plastic Fracture Test Methods． Philadelphia， 1991: 114 ［22］ Sharobeam M H，Landes J D． The load separation and ηPl devel￾opment in precracked specimen test records． Int J Fract，1993， 59: 213 ［23］ Herrera R，Landes J D． A direct J-R curve analysis of fracture toughness tests． J Test Eval，1988，16( 5) : 427 ［24］ Landes J D，Herrera R． A new look at J-R curve analysis． Int J Fract，1988，36: R9 ［25］ Herrera R，Landes J D． Direct J-R curve analysis: a guide to the methodology / / Fracture Mechanics． Philadelphia，1990: 24 ［26］ Landes J D，Zhou Z，Lee K，et al． Normalization method for de￾veloping J-R curves with the LMN function． J Test Eval，1991， 19( 4) : 305 ·875·