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- Publisher Website: 10.1007/BF02670768
- Scopus: eid_2-s2.0-0029344010
- WOS: WOS:A1995RJ76800019
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Article: Design of multiscalar metallic multilayer composites for high strength, high toughness, and low CTE mismatch
Title | Design of multiscalar metallic multilayer composites for high strength, high toughness, and low CTE mismatch |
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Authors | |
Issue Date | 1995 |
Citation | Metallurgical and Materials Transactions A, 1995, v. 26, n. 7, p. 1805-1813 How to Cite? |
Abstract | We propose a new class of multilayer composites that consists of alternating tough and strong layers. Both the tough and the strong layers are metallic, effectively reducing the coefficient of thermal expansion (CTE) mismatch problem that often plagues metal-ceramic composites. The high-strength layers are themselves very fine-scale metallic multilayer composites. The high strengths result from Orowan strengthening of these very fine-scale layers. We present detailed analyses of the flow stress, toughness, and thermal stability of these multiscalar metallic multi-layer composites (M3C) as a guide for microstructural optimization. The dominant term in the flow stress is proportional to the volume fraction of the strong layers and scales inversely with thickness of the very fine-scale layers that make up the strong layer. The toughness is dominated by the plastic flow of the tough layers and is proportional to the volume fraction and flow stress of the tough layers, as modified by plastic constraint. The thermal stability of M3Cs is discussed in the context of solubility, length scales, and interdiffusivity of the two metals. Preliminary results suggest that M3Cs do exhibit an unusual combination of high toughness and strength. © 1995 The Minerals, Metals & Material Society. |
Persistent Identifier | http://hdl.handle.net/10722/303134 |
ISSN | 2021 Impact Factor: 2.726 2020 SCImago Journal Rankings: 0.862 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Srolovitz, D. J. | - |
dc.contributor.author | Yalisove, S. M. | - |
dc.contributor.author | Bilello, J. C. | - |
dc.date.accessioned | 2021-09-15T08:24:41Z | - |
dc.date.available | 2021-09-15T08:24:41Z | - |
dc.date.issued | 1995 | - |
dc.identifier.citation | Metallurgical and Materials Transactions A, 1995, v. 26, n. 7, p. 1805-1813 | - |
dc.identifier.issn | 1073-5623 | - |
dc.identifier.uri | http://hdl.handle.net/10722/303134 | - |
dc.description.abstract | We propose a new class of multilayer composites that consists of alternating tough and strong layers. Both the tough and the strong layers are metallic, effectively reducing the coefficient of thermal expansion (CTE) mismatch problem that often plagues metal-ceramic composites. The high-strength layers are themselves very fine-scale metallic multilayer composites. The high strengths result from Orowan strengthening of these very fine-scale layers. We present detailed analyses of the flow stress, toughness, and thermal stability of these multiscalar metallic multi-layer composites (M3C) as a guide for microstructural optimization. The dominant term in the flow stress is proportional to the volume fraction of the strong layers and scales inversely with thickness of the very fine-scale layers that make up the strong layer. The toughness is dominated by the plastic flow of the tough layers and is proportional to the volume fraction and flow stress of the tough layers, as modified by plastic constraint. The thermal stability of M3Cs is discussed in the context of solubility, length scales, and interdiffusivity of the two metals. Preliminary results suggest that M3Cs do exhibit an unusual combination of high toughness and strength. © 1995 The Minerals, Metals & Material Society. | - |
dc.language | eng | - |
dc.relation.ispartof | Metallurgical and Materials Transactions A | - |
dc.title | Design of multiscalar metallic multilayer composites for high strength, high toughness, and low CTE mismatch | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1007/BF02670768 | - |
dc.identifier.scopus | eid_2-s2.0-0029344010 | - |
dc.identifier.volume | 26 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | 1805 | - |
dc.identifier.epage | 1813 | - |
dc.identifier.eissn | 1543-1940 | - |
dc.identifier.isi | WOS:A1995RJ76800019 | - |