Component repair using laser direct metal deposition

School of Engineering

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Component repair using laser direct metal deposition. / Pinkerton, A. J.; Wang, W.; Li, L.
In: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 222, No. 7, 07.2008, p. 827-836.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Pinkerton, AJ, Wang, W & Li, L 2008, 'Component repair using laser direct metal deposition', Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, vol. 222, no. 7, pp. 827-836. https://doi.org/10.1243/09544054JEM1008

APA

Pinkerton, A. J., Wang, W., & Li, L. (2008). Component repair using laser direct metal deposition. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 222(7), 827-836. https://doi.org/10.1243/09544054JEM1008

Vancouver

Pinkerton AJ, Wang W, Li L. Component repair using laser direct metal deposition. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 2008 Jul;222(7):827-836. doi: 10.1243/09544054JEM1008

Author

Pinkerton, A. J. ; Wang, W. ; Li, L. / Component repair using laser direct metal deposition. In: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 2008 ; Vol. 222, No. 7. pp. 827-836.

Bibtex

@article{7675e6c1a95540e7ac0f0ed6f720f5f3,

title = "Component repair using laser direct metal deposition",

abstract = "Recent studies have indicated that laser direct metal deposition can be used for repairing deep or internal cracks and defects in metallic components. In order to implement the method, it is necessary to machine a groove or slot to the depth of the defect and refill it. This work investigates advantages and potential problems with the technique and compares the results from using two different slot geometries: one rectangular and one triangular in cross-section. H13 hot-work tool steel components are used and H13 powder is deposited using a 1.5 kW diode laser and lateral nozzle. Different combinations of deposition parameters are tested and each sample is analysed in terms of mass deposition rate, deposition microstructure, evidence of porosity, size of the heat-affected zone, and microhardness. Results are evaluated using statistical techniques and the important parameters that control each variable are identified. The work provides evidence that the method can produce high-quality repairs, but porosity at the boundaries between the original part and the added material is a problem.",

keywords = "laser, direct metal deposition, H13 steel , statistical analysis , repair",

author = "Pinkerton, {A. J.} and W. Wang and L. Li",

year = "2008",

month = jul,

doi = "10.1243/09544054JEM1008",

language = "English",

volume = "222",

pages = "827--836",

journal = "Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture",

issn = "0954-4054",

publisher = "SAGE Publications Inc.",

number = "7",

}

RIS

TY - JOUR

T1 - Component repair using laser direct metal deposition

AU - Pinkerton, A. J.

AU - Wang, W.

AU - Li, L.

PY - 2008/7

Y1 - 2008/7

N2 - Recent studies have indicated that laser direct metal deposition can be used for repairing deep or internal cracks and defects in metallic components. In order to implement the method, it is necessary to machine a groove or slot to the depth of the defect and refill it. This work investigates advantages and potential problems with the technique and compares the results from using two different slot geometries: one rectangular and one triangular in cross-section. H13 hot-work tool steel components are used and H13 powder is deposited using a 1.5 kW diode laser and lateral nozzle. Different combinations of deposition parameters are tested and each sample is analysed in terms of mass deposition rate, deposition microstructure, evidence of porosity, size of the heat-affected zone, and microhardness. Results are evaluated using statistical techniques and the important parameters that control each variable are identified. The work provides evidence that the method can produce high-quality repairs, but porosity at the boundaries between the original part and the added material is a problem.

AB - Recent studies have indicated that laser direct metal deposition can be used for repairing deep or internal cracks and defects in metallic components. In order to implement the method, it is necessary to machine a groove or slot to the depth of the defect and refill it. This work investigates advantages and potential problems with the technique and compares the results from using two different slot geometries: one rectangular and one triangular in cross-section. H13 hot-work tool steel components are used and H13 powder is deposited using a 1.5 kW diode laser and lateral nozzle. Different combinations of deposition parameters are tested and each sample is analysed in terms of mass deposition rate, deposition microstructure, evidence of porosity, size of the heat-affected zone, and microhardness. Results are evaluated using statistical techniques and the important parameters that control each variable are identified. The work provides evidence that the method can produce high-quality repairs, but porosity at the boundaries between the original part and the added material is a problem.

KW - laser

KW - direct metal deposition

KW - H13 steel

KW - statistical analysis

KW - repair

U2 - 10.1243/09544054JEM1008

DO - 10.1243/09544054JEM1008

M3 - Journal article

VL - 222

SP - 827

EP - 836

JO - Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

JF - Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

SN - 0954-4054

IS - 7

ER -

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