首页> 美国政府科技报告 >THE WELD HEAT-AFFECTED ZONE NOTCH-IMPACT PROPERTIES OF A SEMI-KILLED C - Mn STEEL AND A FULLY KILLED ALUMINIUM GRAIN-REFINED C-Mn STEEL

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THE WELD HEAT-AFFECTED ZONE NOTCH-IMPACT PROPERTIES OF A SEMI-KILLED C - Mn STEEL AND A FULLY KILLED ALUMINIUM GRAIN-REFINED C-Mn STEEL

机译：受半自燃的C - mn钢和全杀铝的C - mn钢焊接受热影响区的缺口冲击性能

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Structures representative of the visible weld heat-affected zone (HAZ) of a semi-killed C - Mn steel and a fully killed and normalized aluminium grain refined C - Mn steel have been produced by means of a simulation technique. The Chirpy V - notch impact properties have been assessed and related to microstructure. The only significant deterioration in impact properties occurred in the coarse grained HAZ of the aluminium grain-refined steel.nThe notch - impact properties of the subcritical weld HAZ have been assessed by simulating specimen blanks with and without notches through thermal cycles reported to cause the greatest degree of subcritical embrittlement in these steels. The results showed that no significant embrittlement occurred in either steel in the absence of notches. In the presence of a notch there was evidence of an increase in transition temperature of 10 35 C in the semi-skilled steel but no increase in the aluminium grain refined steel. The slight increase for the semi-skilled steel was attributed to the presence of free nitrogen, which was absent in the aluminium grain - refined steel.

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E. Smith;
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年度 1970
页码 1-20
总页数 20
原文格式 PDF
正文语种 eng
中图分类工业技术;
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机译：通过空间分辨X射线衍射直接观察1045 C-Mn电弧焊热影响区中不同输入功率下的α→γ转变
2. Direct Observations of the alpha-- >gamma Transformation at Different Input Powers in the Heat-Affected Zone of 1045 C-Mn Steel Arc Welds Observed by Spatially Resolved X-ray Diffraction [J] . T.A. PALMER, J.W. ELMER Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2005,第12期

机译：通过空间分辨X射线衍射直接观察1045 C-Mn钢电弧焊热影响区中不同输入功率下的α->γ转变
3. Microstructural Control in Aluminium-Killed Low C-Mn Boron Containing Steel for Improved Formability and Cold Reducing Properties [J] . Anjana Devaa* Vinod Kumara Saikat K. Dea B. K. Jhaa amp, S. K. Chaudhuria Materials and Manufacturing Processes . 2010,第1a3期

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4. EFFECT OF STRAIN AGEING ON THE FRACTURE TOUGHNESS AND TENSILE PROPERTIES OF Si-KILLED C-Mn STEELS [C] . R. Moskovic, B.D. Leigh, R.H. Priest Biennial European conference on fracture;ECF 11 . 1996

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THE WELD HEAT-AFFECTED ZONE NOTCH-IMPACT PROPERTIES OF A SEMI-KILLED C - Mn STEEL AND A FULLY KILLED ALUMINIUM GRAIN-REFINED C-Mn STEEL

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