A mesoscopic approach of the quench cracking phenomenon influenced by chemical inhomogeneities

2017 ◽  
Vol 78 ◽  
pp. 67-86 ◽  
Author(s):  
Diego Said Schicchi ◽  
Franz Hoffmann ◽  
Friedhelm Frerichs
Keyword(s):  
Quench Cracking

scholarly journals Study of quench cracking of a high-carbon and chromium steel bar. (5th Report, Effects of characteristics of ethylene glycol-water quenchant on quench cracking).

1989 ◽  
Vol 55 (513) ◽  
pp. 1116-1120 ◽  
Author(s):  
Yoshio MIKITA ◽  
Ichiro NAKABAYASHI ◽  
Kiyoshi SAKAMAKI ◽  
Shigenori HORI
Keyword(s):  
Ethylene Glycol ◽  
Chromium Steel ◽  
High Carbon ◽  
Steel Bar ◽  
Quench Cracking

Critical conditions for the occurrence of quench cracking in an Al–Zn–Mg–Cu alloy

2014 ◽  
Vol 49 (14) ◽  
pp. 4687-4697 ◽  
Author(s):  
D. K. Xu ◽  
P. A. Rometsch ◽  
L. Li ◽  
L. M. Shen ◽  
N. Birbilis
Keyword(s):  
Critical Conditions ◽  
Cu Alloy ◽  
Quench Cracking

Design of Fe/4Cr/0.4C martensitic steels eliminating quench cracking

1975 ◽  
Vol 20 ◽  
pp. 195-202 ◽  
Author(s):  
B.V. Narasimha Rao ◽  
G. Thomas
Keyword(s):  
Martensitic Steels ◽  
Quench Cracking

Quench cracking in steel as a case of hydrogen embrittlement

2009 ◽  
Vol 499 (1-2) ◽  
pp. 540-541 ◽  
Author(s):  
XinYu Liu ◽  
C.J. McMahon
Keyword(s):  
Hydrogen Embrittlement ◽  
Quench Cracking

Evaluation of the Thermal Shock Induced to a Steam Header During Shutdown Conditions

2008 ◽  
Author(s):  
Steven J. Bley ◽  
Jeffrey A. Karloff
Keyword(s):  
Finite Element ◽  
Thermal Stress ◽  
Thermal Shock ◽  
Cold Water ◽  
Finite Element Analyses ◽  
Boiler Tube ◽  
Hot Metal ◽  
Quench Cracking ◽  
Steam Header ◽  
Main Steam

It is a practice of some utilities to pressurize (hydro) a boiler shortly after the beginning of an outage to check for the presence of boiler tube leaks. If the boiler is drained during shutdown in order to expedite cooling for personnel entry, then the boiler must be filled with relatively cold water in order to perform the hydro. There is a concern that as the cold water contacts the hot metal of the main steam header there is a risk that the thermal shock could cause a crack to form. Numerical and finite element analyses were used to determine the amount of thermal stress induced when varying temperatures of water are applied to the inside surface of a typical main steam header at elevated temperature. The results of the analyses were used to assess the risk of quench cracking and crack propagation.

Heat Checking/Quench Cracking Tool Joints

1992 ◽  
Author(s):  
J.A. Altermann ◽  
T.B. Smith
Keyword(s):  
Quench Cracking ◽  
Heat Checking
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