Knowledge Management System of Institue of Mechanics, CAS
| Effect of a laser pre-quenched steel substrate surface on the crack driving force in a coating-steel substrate system | |
Yang BQ(杨班权); Zhang K(张凯); Chen GN(陈光南) ; Luo GX(罗耕星); Xiao JH(肖京华); Yang, BQ (reprint author), Armored Forces Engn Inst, Dept Mech Engn, Div Engn Mech, 21 Du Jia Kan, Beijing 100072, Peoples R China.
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| Source Publication | Acta Materialia
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| 2007 | |
| Volume | 55Issue:13Pages:4349-4358 |
| ISSN | 1359-6454 |
| Abstract | A mechanical model of a coating/laser pre-quenched steel substrate specimen with a crack oriented perpendicular to the interface between the coating and the hardened layer is developed to quantify the effects of the residual stress and hardness gradient on the crack driving force in terms of the J-integral. It is assumed that the crack tip is in the middle of the hardened layer of the pre-quenched steel substrate. Using a composite double cantilever beam model, analytical solutions can be derived, and these can be used to quantify the effects of the residual stress and the hardness gradient resulting from the pre-quenched steel substrate surface on the crack driving force. A numerical example is presented to investigate how the residual compressive stress, the coefficient linking microhardness and yield strength and the Young's modulus ratio of the hardened layer to the coating influence the crack driving force for a given crack length. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
| Keyword | Laser Pre-quenching Crack Driving Force Residual Compressive Stress Hardness Gradient Effect Coating/pre-quenched Steel Substrate System Thermal Barrier Coatings Thin-films Conical Indentation Plastic Solids Interface Fatigue Fracture Carbon Behavior Growth |
| DOI | 10.1016/j.actamat.2007.04.002 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000248436400011 |
| WOS Keyword | THERMAL BARRIER COATINGS ; THIN-FILMS ; CONICAL INDENTATION ; PLASTIC SOLIDS ; INTERFACE ; FATIGUE ; FRACTURE ; CARBON ; BEHAVIOR ; GROWTH |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/33919 |
| Collection | 力学所知识产出(1956-2008) |
| Corresponding Author | Yang, BQ (reprint author), Armored Forces Engn Inst, Dept Mech Engn, Div Engn Mech, 21 Du Jia Kan, Beijing 100072, Peoples R China. |
| Recommended Citation GB/T 7714 | Yang BQ,Zhang K,Chen GN,et al. Effect of a laser pre-quenched steel substrate surface on the crack driving force in a coating-steel substrate system[J]. Acta Materialia,2007,55,13,:4349-4358. |
| APA | 杨班权,张凯,陈光南,罗耕星,肖京华,&Yang, BQ .(2007).Effect of a laser pre-quenched steel substrate surface on the crack driving force in a coating-steel substrate system.Acta Materialia,55(13),4349-4358. |
| MLA | 杨班权,et al."Effect of a laser pre-quenched steel substrate surface on the crack driving force in a coating-steel substrate system".Acta Materialia 55.13(2007):4349-4358. |
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