Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247–Amdry DF3 Powders-Reference-Cited by-同舟云学术

Mechanical Properties and Structure of Laser Beam and Wide Gap Brazed Joints Produced Using Mar M247–Amdry DF3 Powders

Published:2018-12-07 Issue:4 Volume:141 Page:
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Gontcharov Alexandre¹,Tian Yuan¹,Lowden Paul¹,Brochu Mathieu²

Affiliation:

1. Liburdi Turbine Services, Inc., 400 Hwy 6 North, Dundas, ON L9H 7K4, Canada e-mail:

2. McGill University, Wong Building, 3610 University, Room 2140, Montreal, QC H3A 0C5, Canada e-mail:

Abstract

The microstructure and mechanical properties of materials produced by wide gap brazing (WGB) and laser beam (LBW) cladding with different blends of Mar M247 and Amdry DF-3 brazing powders were studied. It was shown that LBW Mar M247-based materials comprised of 0.6 to 1 wt % B were weldable. The weld properties were superior to WGB deposits with the same bulk chemical composition, due to the formation of a dendritic structure typical for welded joints, and the precipitation of cuboidal borides of Cr, Mo, and W in the ductile Ni–Cr based matrix. Both materials were found to have useful properties for three-dimensional (3D) additive manufacturing (AM) and repair components manufactured from high gamma prime precipitation hardened superalloys.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/doi/10.1115/1.4041009/6185016/gtp_141_04_041031.pdf

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3. Sparling, R., and Liburdi, J., 2003, “Liburdi Powder Metallurgy, Applications for Manufacture and Repair of Gas Turbine Components,” Sixth International Charles Parsons Turbine Conference, Dublin, Ireland, Sept. 16–18, pp. 987–1005.

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