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Microstructural predictions including arbitrary thermal histories, reaustenization and carbon segregation effects
Carleton University, Ottawa.
Carleton University, Ottawa.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Produkt- och produktionsutveckling.
1996 (engelsk)Inngår i: Canadian metallurgical quarterly, ISSN 0008-4433, E-ISSN 1879-1395, Vol. 35, nr 3, s. 275-283Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A microstructural prediction algorithm for hypoeutectoid steels is presented that accounts for carbon segregation effects and permits arbitrary thermal histories and austenite decomposition during reheating. Two austenization models are included: an instantaneous austenite formation and homogenization model; and a transient, heterogeneous austenite formation algorithm. The transient heterogeneous model predicts slightly slower formation rates than measured but compares favourably with experimental results. The two models provide upper and lower bounds for the austenization time. Predicted grain size, martensite fraction and hardness distributions are compared with measurements taken from a weld heat-affected zone (HAZ). Predictions are in good agreement with experimental results

sted, utgiver, år, opplag, sider
1996. Vol. 35, nr 3, s. 275-283
HSV kategori
Forskningsprogram
Datorstödd maskinkonstruktion
Identifikatorer
URN: urn:nbn:se:ltu:diva-10210DOI: 10.1016/0008-4433(96)00001-8ISI: A1996VA56900007Lokal ID: 8f949410-1b47-11dd-8c59-000ea68e967bOAI: oai:DiVA.org:ltu-10210DiVA, id: diva2:983150
Merknad
Godkänd; 1996; 20080506 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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