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Keywords: microstructure
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Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-138
... behaviour aluminium arc spray method boundary layer microstructure specimen mechanical property alloy layer coating film heat treatment Proceedmgs of the Fllst Pacific!AslO Offshore Mechamcs S)mpOSIUm Seoul, Korea, 24-28 June, 1990 CopYright © 1990 by The InternatIOnal SOCiety of OffshOie...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-133
... toughness of the weld heat affected zone (HAZ) [6]. CF and TB are the reference steels. Both belong to the Si-Mn series; CF is low Mn steel and TB is low C steel. Photo. 1 shows the basemetal microstructures. PI and CT have fine proeutectoid ferrite (F) and bainite (Bu) microstructures. CF and TB have...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-134
... in the microstructure due to which pitting and severe corrosion were located. These are due to the difference in thermal expansion coefficients of the involved materials. In the present research, the effect of some of the heat treatment operation that are commonly used have been investigated. Also, an attempt was made...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-124
... be formulated. Effective stress exponent, ηο is not fixed value for all materials as reported but strong dependence of temperature and microstructure ηο value represents the stability of a material at the elevated temperature and no value is expected to be a criterion of stability of material in the other...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-120
.... From this standpoint, the present paper will discuss the factors controlling the LBZ toughness. chemical composition martensitic island toughness decomposition steel carbon concentration transformation haz concentration ctod value microstructure weld haz thermal cycle local brittle...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-125
... ABSTRACT: Using plastic films and making replicas of microstructures, the scope and usefulness of conventional metallography has been extended to field studies Areas of interest, eg pipelines, boiler tubes, ships and offshore structures which are either inaccessible or difficult...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-121
... ABSTRACT: Toughness and microstructure of HSLA welds reheated by successive welds was studied. Toughness changes can be classified into four categories by attained peak temperature. The causes of embrittlement are increasing of GBF, MAC, and effective grain size and the main governing factors...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-117
... the effective conditioning of austenite with controlled rolling and pertinent selection of microstructure by accelerated cooling process. This new thermo-mechanical control process, named PILAC(POSCO In-Line Accelerated Cooling) has been developed to produce the high qual1ty structural steel. The production...

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