Page 124 - 机械工程材料2024年第十一期

李国强，等：基于多温度SDFF模型的反应堆压力容器钢韧脆转变区韧性评价

何尺寸会影响RPV钢的韧脆转变行为。采用0.5T ［C］//ASME 2012 Pressure Vessels and Piping
CT试样对材料韧脆转变区断裂韧度进行分析时，选 Conference. Toronto：American Society of Mechanical
择其多温度SDFF模型5%断裂失效概率曲线作为 Engineers，2013：73-79.
［9］ YAMAMOTO M，ONIZAWA K，YOSHIMOTO

断裂韧度下边界线可以涵盖0.5T CT试样及1T CT
K，et al. A round robin program of master curve
试样的所有试验数据，且裕量较小，以1%断裂失效
evaluation using miniature C（T）
specimens—2nd report：
概率曲线为断裂韧度下边界线的裕量较大。
Fracture toughness comparison in specified loading rate
参考文献： condition［C］//ASME 2013 Pressure Vessels and Piping
Conference. Paris：American Society of Mechanical
［1］ 王荣山，翁立奎，万强茂，等. 试样重组技术的可行性 Engineers，2014.

研究［J］. 机械强度，2012，34（2）：312-316. ［10］ YAMAMOTO M，KIMURA A，ONIZAWA K，et al.

WANG R S，WENG L K，WAN Q M，et al. Feasibility A round robin program of master curve evaluation using
study of specimen reconstitution technology［J］. Journal miniature C（T）specimens—3rd report：Comparison of

of Mechanical Strength，2012，34（2）：312-316. T0 under various selections of temperature conditions［C］
［2］ 何广伟，包陈，蔡力勋，等. COEC微小试样用于延性 //ASME 2014 Pressure Vessels and Piping Conference.

断裂行为评定的规则化法研究［J］.机械工程学报， Anaheim：American Society of Mechanical Engineers，
2017，53（20）：61-68. 2014.
HE G W，BAO C，CAI L X，et al. Normalization ［11］ DENG C Y，SONG M M，GONG B M，et al.Effect of

method for the evaluation of ductile fracture behavior specimen thickness on the shift of the ductile-to-brittle
using small COEC specimen［J］. Journal of Mechanical transition curve［J］.Transactions of the China Welding
Engineering，2017，53（20）：61-68. Institution，2018，39（5）：14-19.
［3］ 包陈，蔡力勋，但晨，等.考虑裂尖约束效应的小尺寸 ［12］ HUTCHINSON J W. Singular behaviour at the end of

CIET试样延性断裂行为［J］.机械工程学报，2017，53 a tensile crack in a hardening material［J］. Journal of the
（2），34-44. Mechanics and Physics of Solids，1968，16（1）：13-31.
BAO C，CAI L X，DAN C，et al. Ductile fracture ［13］ RICE J R，ROSENGREN G F. Plane strain

behavior of small-sized CIET specimen considering deformation near a crack tip in a power-law hardening
crack front constraint effect［J］. Journal of Mechanical material［J］. Journal of the Mechanics and Physics of
Engineering，2017，53（2）：34-44. Solids，1968，16（1）：1-12.
［4］ HE G W，BAO C，CAI L X，et al. Estimation of J‒ ［14］ ZHU X K，JANG S K. J‒R curves corrected by load-

R curves for small-sized COEC specimens and its independent constraint parameter in ductile crack growth
application considering crack-tip constraints［J］. Acta ［J］. Engineering Fracture Mechanics，2001，68（3）：285-
Mechanica Solida Sinica，2019，32（3）：261-276. 301.

［5］ MISAWA T，SUZUKI K，SAITO M，et al. ［15］ SUN X，YAO J，CHAI G Z，et al. Thickness effects
Determination of the minimum quantity of irradiated ferritic of base wall and inlet pipe on the structural integrity of
steel specimens for small punch DBTT testing［J］. reactor pressure vessels considering ductile-to-brittle
Journal of Nuclear Materials，1991，179：421-424. transition［J］. Engineering Failure Analysis，2019，105：
［6］ KUMAR P，DUTTA B K，CHATTOPADHYAY J. 1032-1044.

Fracture toughness prediction of reactor grade materials ［16］ WALLIN K. The scatter in KIC-results［J］. Engineering
using pre-notched small punch test specimens［J］. Fracture Mechanics，1984，19：1085-1093.

Journal of Nuclear Materials，2017，495：351-362. ［17］ WALLIN K. Master curve analysis of ductile to brittle
［7］ TOBITA T，NISHIYAMA Y，ONIZAWA K. transition region fracture toughness round robin data［M］.

Mechanical properties database of reactor pressure vessel ［S. l.］：VTT Publications，1998：367.
steels related to fracture toughness evaluation［R］. ［S.l.］： ［18］ WALLIN K. Irradiation damage effects on the fracture

Atomic Energy Agency，2018. toughness transition curve shape for reactor pressure
［8］ YAMAMOTO M，KIMURA A，ONIZAWA K，et al. vessel steels［J］. International Journal of Pressure

A round robin program of master curve evaluation using Vessels and Piping，1993，55（1）：61-79.
miniature C（T）specimens：First round robin test on ［19］ WALLIN K. The size effect in KIC results［J］.

uniform specimens of reactor pressure vessel material Engineering Fracture Mechanics，1985，22（1）：149-163.
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