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Keywords: brazing
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082102.
Published Online: May 11, 2010
...–3.4Al–2.6W–1.7Ta–2Nb–3.4Ti–0.1Zr, respectively. Diffusion brazing has been used for over 4 decades to repair cracks and degradation on these types of components. Typically, braze materials utilized for component repairs are Ni- and Co-based braze fillers containing B and/or Si as melting point...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082103.
Published Online: May 11, 2010
...–1.7Mo–3.4Al–2.6W–1.7Ta–2Nb–3.4Ti–0.1Zr, respectively. Diffusion brazing has been used for over 4 decades to repair cracks and degradation on these types of components. Typically, braze materials utilized for component repairs are Ni and Co-based braze fillers containing B and/or Si as melting point...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 062101.
Published Online: March 24, 2010
...Daniel McGuire; Xiao Huang; Doug Nagy; Weijie Chen Wide gap brazing (WGB) is a cost effective and reliable means to repair gas turbine hot section components with defect sizes exceeding 0.3 mm. However, it has been shown that WGB joints of nickel-based superalloys suffer from reduced ductility...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2010, 132(3): 032101.
Published Online: December 2, 2009
...Britta Laux; Sebastian Piegert; Joachim Rösler High-temperature diffusion brazing is a very important technology for filling cracks in components from single-crystalline nickel-base superalloys as used in aircraft engines and stationary gas turbines: Alloys, which are similar to the base material...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032102.
Published Online: February 11, 2009
...Britta Laux; Sebastian Piegert; Joachim Rösler A new high temperature brazing technology for the repair of turbine components made of single crystalline nickel based superalloys has been developed. It allows the repair of single crystalline parts by producing an epitaxially grown braze gap within...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022902.
Published Online: December 30, 2008
... plates. Tensile test comparisons showed that BAu-4 was superior, so it was used. No problems were observed in the fabrication of a partial model of a SG (HIP of the rectangular tubes, brazing the plates, welding the header, etc.) 22 07 2008 16 09 2008 30 12 2008 alloy steel boron...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 012101.
Published Online: October 13, 2008
...Doug Nagy; Xiao Huang Repair of after-service gas turbine hot section superalloy components provides considerable saving in life-cycle cost of engines. Whereas a number of methods have been used in the past to repair these superalloy components, wide gap brazing technology has provided a practical...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 032101.
Published Online: April 2, 2008
.... In particular, Co-base alloy X-40 was used to fabricate the first stage NGV airfoils of T56 series engines; inspections after service have revealed that X-40 airfoils suffered from severe thermal fatigue damages. In this study, a new braze repair scheme is proposed; in which Ni-base alloys are used to repair...