Applicability of Empirical Correlations between Impact Energy and Fracture Toughness for Q345R Steel
摘 要
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。
Abstract
The most commonly used pressure vessel steel Q345R in China was investigated by means of the impact test and fracture toughness test. The widely used empirical correlations of fracture toughness in the international standards were collected. Combining with the experimental data of material properties, the accuracy of these correlations used to estimate the fracture toughness in the transition temperature range of Q345R steel was analyzed. The results show that the Sailors-Corten and Wallin empirical correlations have good agreement with the measured fracture toughness and can be used to estimate the fracture toughness of Q345R steel during the transition temperature range. Furthermore, the specific correlation between impact energy and fracture toughness for Q345R steel was established based on the measured data of material properties.
中图分类号 TQ050.4 DOI 10.11973/jxgccl201512020
所属栏目 物理模拟与数值模拟
基金项目 国家质检公益性行业科研专项经费资助项目(201010027)
收稿日期 2015/4/7
修改稿日期 2015/10/17
网络出版日期
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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
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参考文献
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【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.
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