Formation Wear Resistant Coatings on Martensite Steel Hardox 450 by Welding Methods
| Parent link: | IOP Conference Series: Materials Science and Engineering Vol. 142 : Innovative Technologies in Engineering.— 2016.— [012079, 6 p.] |
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| Corporate Author: | |
| Other Authors: | , , , , |
| Summary: | Title screen By methods of modern physical materials science the investigations analysis of phase composition, defect substructure, mechanical and tribological properties of Cr-Nb-C-V containing coatings formed in surfacing on martensitic wear resistant steel Hardox 450 were carried out. It was shown that surfacing resulted in the formation of high strength surface layer 6 mm in thinness. This layer had wear resistance 138 times greater than that of the base and friction coefficient 2.5 times less. Having analyzed the deflected mode of the deposited material in conditions of friction, a conclusion is drawn that plastic shear deformation is localized in the surface layer due to the high friction factor, as the result, scratches are formed. The maximum of tangential stress is deflected deep into the material provided that friction factor is low. On the basis of the investigations by methods of X-ray structural analysis and transmission diffraction electron microscopy it was shown that increase strength and tribological properties of surfacing metal were caused by its phase composition and state of defect substructure, namely, availability of interstitial phases (more than 36%) and martensitic type of a-phase structure. |
| Published: |
2016
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1088/1757-899X/142/1/012079 http://earchive.tpu.ru/handle/11683/34754 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=650445 |
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| 200 | 1 | |a Formation Wear Resistant Coatings on Martensite Steel Hardox 450 by Welding Methods |f S. V. Konovalov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 20 tit.] | ||
| 330 | |a By methods of modern physical materials science the investigations analysis of phase composition, defect substructure, mechanical and tribological properties of Cr-Nb-C-V containing coatings formed in surfacing on martensitic wear resistant steel Hardox 450 were carried out. It was shown that surfacing resulted in the formation of high strength surface layer 6 mm in thinness. This layer had wear resistance 138 times greater than that of the base and friction coefficient 2.5 times less. Having analyzed the deflected mode of the deposited material in conditions of friction, a conclusion is drawn that plastic shear deformation is localized in the surface layer due to the high friction factor, as the result, scratches are formed. The maximum of tangential stress is deflected deep into the material provided that friction factor is low. On the basis of the investigations by methods of X-ray structural analysis and transmission diffraction electron microscopy it was shown that increase strength and tribological properties of surfacing metal were caused by its phase composition and state of defect substructure, namely, availability of interstitial phases (more than 36%) and martensitic type of a-phase structure. | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\2008 |t IOP Conference Series: Materials Science and Engineering | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\15319 |t Vol. 142 : Innovative Technologies in Engineering |o VII International Scientific Practical Conference, 19–21 May 2016, Yurga, Russian Federation |o [proceedings] |v [012079, 6 p.] |d 2016 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a износостойкие покрытия | |
| 610 | 1 | |a мартенситные стали | |
| 610 | 1 | |a сварка | |
| 610 | 1 | |a пластическая деформация | |
| 610 | 1 | |a поверхностные слои | |
| 610 | 1 | |a рентгеноструктурный анализ | |
| 610 | 1 | |a электронная микроскопия | |
| 610 | 1 | |a дефектные субструктуры | |
| 701 | 1 | |a Konovalov |b S. V. | |
| 701 | 1 | |a Kormyshev |b V. E. | |
| 701 | 1 | |a Nevskii |b S. A. | |
| 701 | 1 | |a Ivanov |b Yu. F. |c physicist |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1955- |g Yuriy Fedorovich |3 (RuTPU)RU\TPU\pers\33559 | |
| 701 | 1 | |a Gromov |b V. E. | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |c (2009- ) |9 26305 |
| 801 | 2 | |a RU |b 63413507 |c 20170120 |g RCR | |
| 856 | 4 | |u http://dx.doi.org/10.1088/1757-899X/142/1/012079 | |
| 856 | 4 | |u http://earchive.tpu.ru/handle/11683/34754 | |
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