以我国最常用的压力容器用Q345R钢为研究对象，进行了冲击和断裂韧性试验；收集整理了国际标准中应用广泛的断裂韧度经验关系式，结合实测的材料性能数据，对这些关系式用于估算Q345R钢在转变温度区内断裂韧度的准确性进行了对比分析。结果表明：Sailors-Corten及Wallin关系式对断裂韧度的预测结果与实测的结果符合性最好，在转变温度区内，可用于估计Q345R钢的断裂韧度；在实测材料性能数据的基础上,修订建立了适用于Q345R钢的冲击功与断裂韧度的经验关系式。
所属栏目
物理模拟与数值模拟国家质检公益性行业科研专项经费资助项目(201010027)
收稿日期
2015/4/72015/10/17
作者单位
崔庆丰:华东理工大学机械与动力工程学院，承压系统及安全教育部重点实验室， 上海 200237
惠 虎:华东理工大学机械与动力工程学院，承压系统及安全教育部重点实验室， 上海 200237
王昊旸:中国特种设备检测研究院， 北京 100013北京航空航天大学材料科学与工程学院， 北京 100191
李培宁:华东理工大学机械与动力工程学院，承压系统及安全教育部重点实验室， 上海 200237
备注
崔庆丰(1985-)，男，河南温县人，博士研究生。
引用该论文:
CUI Qing-feng,HUI Hu,WANG Hao-yang,LI Pei-ning.Applicability of Empirical Correlations between Impact Energy and Fracture Toughness for Q345R Steel[J].Materials for mechancial engineering,2015,39(12):84～90
崔庆丰,惠 虎,王昊旸,李培宁.冲击功与断裂韧度经验关系式对Q345R钢的适用性[J].机械工程材料,2015,39(12):84～90
参考文献
【1】
TOTH L, ROSSMANITH H P, SIEWERT T A. Historical background and development of the Charpy test［J］. European Structural Integrity Society, 2002,30:3-19.
【2】
SMITH N, HAMILTON I G. Failure in heavy pressure vessels during manufacture and hydraulic testing ［J］. West Scotland Iron Steel Inst, 1968/1969,76:117-87.
【3】
王墉哲,刘俊亮,丁晨.热轧高强钢低温冲击功偏低的原因分析［J］.机械工程材料, 2015,39(2):81-84.
【4】
BARSOM J M, ROLFE S T. Correlations between KIC and Charpy V-notch test results in the transition-temperature range［C］//Impact Testing of Metals. Atlantic: ASTM, 1970:281-302.
【5】
SAILORS R H, CORTEN H T. Relationship between material fracture toughness using fracture mechanics and transition temperature tests［C］//Fracture toughness:Part Ⅱ.［S.l.］:ASTM,1972:150-163.
【6】
HBNER P, PUSCH G. Correlations between Charpy energy and crack initiation parameters of the J integral concept［J］. European Structural Integrity Society, 2002:30:289-295.
【7】
SMITH R J, SHERRY A H, HORN A J, t al.An engineering procedure for calculating cleavage fracture toughness from chapy specimen data using a mechanistic approach for ferritic steels［C］∥ASME 2014 Pressure Vessels and Piping Conference. Anaheim, California, USA:ASME,2014:1-12.
【8】
ERICKSONKIRK M A, ERICKSONKIRK M T, ROSINSKI S, t al.A comparison of the tanh and exponential fitting methods for Charpy V-notch energy data［J］. Journal of Pressure Vessel Technology, 2009,131(3):031404.
【9】
CVETKOVSKI S. Instrumented testing of simulated Charpy specimens made of microalloyed Mn-Ni-V steel［J］. European Structural Integrity Society, 2002,30:95-102.
【10】
惠虎,王佳欢,王仙河,等.基于主曲线方法确定2.25Cr-1Mo钢韧脆转变区的断裂韧度［J］.机械工程材料, 2015,39(1):98-101.
【11】
秦江阳，王印培，柳曾典.JIC和冲击功AKV之间的关系研究［J］.压力容器, 2001,18(2):15-18.
【12】
ROBERTS R, NEWTON C. Interpretive report on small scale test correlations with KIC data［J］. WRC Bulletin, 1981，265:1-18.
【13】
BARSOM J M, ROLFE S T. Fracture and Fatigue Control in Structures: Application of the Fracture Mechanics［M］. Third Edition.［s.l.］: ASTM, 1999:119-120.
【14】
WAILLIN K, NEVASMAA P, PLANMAN T, t al.Evolution of the Charpy-V test from a quality control test to a materials evaluation tool for structural integrity assessment［J］. European Structural Integrity Society, 2002,30:57-68.
【15】
BARSOM J M, ROLFE S T. Fracture and Fatigue Control in Structures: Applications of the Fracture Mechanics［M］. First Edition. ［s.l.］: ASTM, 1977:125-140.
【16】
刘长军，李培宁，孙亮,等. 管道评定用AKV值估算JIC下限值的工程方法［J］.压力容器, 1999,16(6):7-13.
【17】
BARSOM J M. Development of the ASSHTO of fracture toughness requirements for bridge steels［J］. Engineer Fracture Mechanics, 1975,7:605-618.
【18】
MARANDET B, SANZ G. Evaluation of the toughness of thick medium strength steels by using linear elastic fracture mechanics and correlations between KIC and Charpy V-notch toughness［M］//Pro Conf Flaw Growth and Fracture, STP 631. Philadelphia: ASTM, 1977:72-95.
【19】
SANZ G. Attempts to introduce a quantitative method of choosing steel quality with reference to the risk of brittle fracture［J］. Rev Metall CIT, 1980,77:621-642.
【20】
SANDSTRM R. Minimum usage temperature for ferritic steels［J］. Scand J Metall, 1987,16:242-52.
【21】
WALLIN K. Guidelines for deriving fracture toughness estimates from normal and miniature size Charpy-V specimen data［J］. Rakenteiden Mekaniikka, 1992,25(3):24-40.
【22】
WIESNER C S, SANDSTRM R, GARWOOD S J, t al.Background to requirements for the prevention of brittle fracture in the European standards for pressure vessels (prEN 13445) and metallic industrial piping (prEN 13480)［J］. Int J Pres Ves Pip, 2001,78:391-399.
【23】
DAWES M G, DENYS R. BS5500 appendix d: an assessment based on wide plate brittle fracture test data［J］. Int J Press Vessel Piping, 1984,15:161-92.
【24】
KUHN B. Beitrag zur vereinheitlichung der europaisehen regelungen zur vermeidung yon sprodbrueh［D］．Aacheni: Rheinisehe-Westfael Technische Hochschule, 2005.
【25】
PISARSKI H G, HAYES B, OLBRICHT J, t al.Validation of idealised Charpy impact energy transition curve shape［J］. European Structural Integrity Society, 2002,30:333-340.
