The Effect of Grain Size and Retained Austenite on the Ductile-Brittle Transition of a Titanium-Gettered Iron Alloy PDF Download
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Author: S. Jin
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Category :
Languages : en
Pages : 22
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The effect of microstructural changes on the ductile-brittle transition temperature (DBTT) was studied in a titanium-gettered Fe-8Ni-2Mn-0.15Ti alloy. A fairly strong grain size dependence of the transition temperature was found. Grain size refinement from approximately 38 micrometers (ASTM No. 6.5) to approximately 1.5 micrometers (ASTM No. 15.5) through a four-step thermal treatment lowered the transition temperature by approximately 162C. A small amount of retained austenite was introduced to this grain-refined microstructure, and the transition temperature was suppressed by an additional 100 approximately 150C. The suppression of the DBTT due to retained austenite was smaller when introduced into a large grained structure (approximately 64C). The distribution and stability of retained austenite were also studied.
Author: S. Jin
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Book Description
The effect of microstructural changes on the ductile-brittle transition temperature (DBTT) was studied in a titanium-gettered Fe-8Ni-2Mn-0.15Ti alloy. A fairly strong grain size dependence of the transition temperature was found. Grain size refinement from approximately 38 micrometers (ASTM No. 6.5) to approximately 1.5 micrometers (ASTM No. 15.5) through a four-step thermal treatment lowered the transition temperature by approximately 162C. A small amount of retained austenite was introduced to this grain-refined microstructure, and the transition temperature was suppressed by an additional 100 approximately 150C. The suppression of the DBTT due to retained austenite was smaller when introduced into a large grained structure (approximately 64C). The distribution and stability of retained austenite were also studied.
Author: United States. Energy Research and Development Administration. Technical Information Center
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Category : Force and energy
Languages : en
Pages : 724
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Author: United States. Energy Research and Development Administration
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Category : Medicine
Languages : en
Pages : 724
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Category : Aeronautics
Languages : en
Pages : 970
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: United States. Energy Research and Development Administration
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Category : Power resources
Languages : en
Pages : 780
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Category : Science
Languages : en
Pages : 674
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Category : Technology
Languages : en
Pages : 228
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Category : Serials
Languages : en
Pages : 942
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Category : Aeronautics
Languages : en
Pages : 638
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Author: Technology Reports Centre (Great Britain)
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Languages : en
Pages : 820
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