Variation of Beremin Model Parameters With Temperature by Monte Carlo Simulation

被引：5

作者：

Bhattacharyya, K. ^{[1
]}

Acharyya, S. ^{[1
]}

Dhar, S. ^{[1
]}

Chattopadhyay, J. ^{[2
]}

机构：

[1] Jadavpur Univ, Dept Mech Engn, 188 Raja SC Mallick Rd, Kolkata 700032, W Bengal, India

[2] Bhabha Atom Res Ctr, Reactor Safety Div, Mumbai 400085, Maharashtra, India

来源：

JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME | 2019年 / 141卷 / 02期

关键词：

PLASTIC FRACTURE-TOUGHNESS; BRITTLE TRANSITION REGION; SPECIMEN GEOMETRY; CLEAVAGE FRACTURE; LOCAL APPROACH; DUCTILE; METHODOLOGY;

D O I：

10.1115/1.4042121

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this work, variation of the Beremin parameters with temperature for reactor pressure vessel material 20MnMoNi55 steel is studied. Beremin model is used, including the effect of plastic strain as originally formulated in the Beremin model. A set of six tests are performed at a temperature of -110 degrees C in order to determine reference temperature (T-0) and master curve for the entire ductile-to-brittle transition (DBT) region as per the ASTM Standard E1921. Monte Carlo simulation is employed to produce a large number of 1 T three-point bending specimen (TPB) fracture toughness data randomly drawn from the scatter band obtained from the master curve, at different temperatures of interest in the brittle dominated portion of DBT region to determine Beremin model parameters variation with temperatures.

引用

页数：7

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