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Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding

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Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding. / Tuominen, J.; Näkki, J.; Pajukoski, H.; Peltola, T.; Vuoristo, P.

Surface Modification Technologies XXVIII: Proceedings of the 28th International Conference on Surface Modification Technologies . ed. / T.S. Sudarshan; P. Vuoristo; H. Koivuluoto. Valardocs, 2015. p. 171-182.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Tuominen, J, Näkki, J, Pajukoski, H, Peltola, T & Vuoristo, P 2015, Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding. in TS Sudarshan, P Vuoristo & H Koivuluoto (eds), Surface Modification Technologies XXVIII: Proceedings of the 28th International Conference on Surface Modification Technologies . Valardocs, pp. 171-182, International Conference on Surface Modification Technologies, Finland, 1/01/00.

APA

Tuominen, J., Näkki, J., Pajukoski, H., Peltola, T., & Vuoristo, P. (2015). Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding. In T. S. Sudarshan, P. Vuoristo, & H. Koivuluoto (Eds.), Surface Modification Technologies XXVIII: Proceedings of the 28th International Conference on Surface Modification Technologies (pp. 171-182). Valardocs.

Vancouver

Tuominen J, Näkki J, Pajukoski H, Peltola T, Vuoristo P. Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding. In Sudarshan TS, Vuoristo P, Koivuluoto H, editors, Surface Modification Technologies XXVIII: Proceedings of the 28th International Conference on Surface Modification Technologies . Valardocs. 2015. p. 171-182

Author

Tuominen, J. ; Näkki, J. ; Pajukoski, H. ; Peltola, T. ; Vuoristo, P. / Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding. Surface Modification Technologies XXVIII: Proceedings of the 28th International Conference on Surface Modification Technologies . editor / T.S. Sudarshan ; P. Vuoristo ; H. Koivuluoto. Valardocs, 2015. pp. 171-182

Bibtex - Download

@inproceedings{dfd0d551b326414893f72517a783da72,
title = "Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding",
abstract = "Tool steels are a class of complex carbon and alloy steels that are widely available as powders over a wide compositional range. In this work, several different tool steel grades were deposited on mild steel by the laser cladding process using a continuous wave 4.4 kW Nd:YAG laser in combination with a coaxial powder feeding technique. With bidirectional scanning pattern, most of the grades were deposited crack-free with hardness up to 1000 HV without additional preheating. A comparative study of 3-body abrasion and single point scratch wear behaviour was conducted on the obtained coatings. In a 3-body abrasion wear study, the laser clad Ralloy WR6 with significant portion of retained austenite exhibited superior abrasive wear resistance compared with the fully martensitic tool steel coatings (M2, M4, H13, HS-23, HS-30) and the reference material, Raex Ar500 wear resistant steel. The abrasion wear resistance of austenitic-martensitic WR6 tool steel was further enhanced by the external addition of 20{\%} volume percentage of relatively large (45-106 µm) vanadium carbides. In single point scratch tests, fully martensitic tool steels outperformed austenitic-martensitic tool steels and Raex Ar500 wear resistant steel. The differences in wear performances were explained by different wear mechanisms and types of contact between the abrasive and the surface. These results show the potential of laser cladding in depositing hard and wear resistant tool steel coatings on easier to fabricate and less expensive base materials or remanufacturing of wear resistant steel grades for enhancing the service life of various components. Examples of such components are, for instance, rock and ground drilling bits in mining and construction and various blades and knives in pulp & paper industries.",
keywords = "Laser cladding, Abrasion, Tool steel, Wear resistant steel, Remanufacturing, Additive manufacturing",
author = "J. Tuominen and J. N{\"a}kki and H. Pajukoski and T. Peltola and P. Vuoristo",
note = "EXT={"}N{\"a}kki, J.{"} EXT={"}Pajukoski, H.{"}",
year = "2015",
month = "1",
language = "English",
pages = "171--182",
editor = "Sudarshan, {T.S. } and P. Vuoristo and H. Koivuluoto",
booktitle = "Surface Modification Technologies XXVIII",
publisher = "Valardocs",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - Microstructural and abrasion wear characteristics of tool steel coatings manufactured by laser cladding

AU - Tuominen, J.

AU - Näkki, J.

AU - Pajukoski, H.

AU - Peltola, T.

AU - Vuoristo, P.

N1 - EXT="Näkki, J." EXT="Pajukoski, H."

PY - 2015/1

Y1 - 2015/1

N2 - Tool steels are a class of complex carbon and alloy steels that are widely available as powders over a wide compositional range. In this work, several different tool steel grades were deposited on mild steel by the laser cladding process using a continuous wave 4.4 kW Nd:YAG laser in combination with a coaxial powder feeding technique. With bidirectional scanning pattern, most of the grades were deposited crack-free with hardness up to 1000 HV without additional preheating. A comparative study of 3-body abrasion and single point scratch wear behaviour was conducted on the obtained coatings. In a 3-body abrasion wear study, the laser clad Ralloy WR6 with significant portion of retained austenite exhibited superior abrasive wear resistance compared with the fully martensitic tool steel coatings (M2, M4, H13, HS-23, HS-30) and the reference material, Raex Ar500 wear resistant steel. The abrasion wear resistance of austenitic-martensitic WR6 tool steel was further enhanced by the external addition of 20% volume percentage of relatively large (45-106 µm) vanadium carbides. In single point scratch tests, fully martensitic tool steels outperformed austenitic-martensitic tool steels and Raex Ar500 wear resistant steel. The differences in wear performances were explained by different wear mechanisms and types of contact between the abrasive and the surface. These results show the potential of laser cladding in depositing hard and wear resistant tool steel coatings on easier to fabricate and less expensive base materials or remanufacturing of wear resistant steel grades for enhancing the service life of various components. Examples of such components are, for instance, rock and ground drilling bits in mining and construction and various blades and knives in pulp & paper industries.

AB - Tool steels are a class of complex carbon and alloy steels that are widely available as powders over a wide compositional range. In this work, several different tool steel grades were deposited on mild steel by the laser cladding process using a continuous wave 4.4 kW Nd:YAG laser in combination with a coaxial powder feeding technique. With bidirectional scanning pattern, most of the grades were deposited crack-free with hardness up to 1000 HV without additional preheating. A comparative study of 3-body abrasion and single point scratch wear behaviour was conducted on the obtained coatings. In a 3-body abrasion wear study, the laser clad Ralloy WR6 with significant portion of retained austenite exhibited superior abrasive wear resistance compared with the fully martensitic tool steel coatings (M2, M4, H13, HS-23, HS-30) and the reference material, Raex Ar500 wear resistant steel. The abrasion wear resistance of austenitic-martensitic WR6 tool steel was further enhanced by the external addition of 20% volume percentage of relatively large (45-106 µm) vanadium carbides. In single point scratch tests, fully martensitic tool steels outperformed austenitic-martensitic tool steels and Raex Ar500 wear resistant steel. The differences in wear performances were explained by different wear mechanisms and types of contact between the abrasive and the surface. These results show the potential of laser cladding in depositing hard and wear resistant tool steel coatings on easier to fabricate and less expensive base materials or remanufacturing of wear resistant steel grades for enhancing the service life of various components. Examples of such components are, for instance, rock and ground drilling bits in mining and construction and various blades and knives in pulp & paper industries.

KW - Laser cladding

KW - Abrasion

KW - Tool steel

KW - Wear resistant steel

KW - Remanufacturing

KW - Additive manufacturing

M3 - Conference contribution

SP - 171

EP - 182

BT - Surface Modification Technologies XXVIII

A2 - Sudarshan, T.S.

A2 - Vuoristo, P.

A2 - Koivuluoto, H.

PB - Valardocs

ER -