Concurrent solid state diffusion bonding and superplastic forming of aluminum alloy 7475

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Description

Earlier studies on diffusion bonding (DB) of Al alloys have focused mostly in extrinsically changing the bonding conditions through the use of interlayers, surface etching, or environment. The problem with focusing on the extrinsic conditions only is that the benefits of the DB process are not fully utilized and instead, it can create problems for the base alloy. The approach we have taken to study solid state diffusion bondability of Al alloy is to utilize the intrinsic behavior of superplastic material. Beginning with this preprocessed material, we used a unique method, to obtain diffusion bonding concurrently with superplastic forming to ... continued below

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9 p.

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Sunwoo, A.; Lum, R. & Vandervoort, R. January 1, 1995.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 95 times , with 12 in the last month . More information about this report can be viewed below.

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Description

Earlier studies on diffusion bonding (DB) of Al alloys have focused mostly in extrinsically changing the bonding conditions through the use of interlayers, surface etching, or environment. The problem with focusing on the extrinsic conditions only is that the benefits of the DB process are not fully utilized and instead, it can create problems for the base alloy. The approach we have taken to study solid state diffusion bondability of Al alloy is to utilize the intrinsic behavior of superplastic material. Beginning with this preprocessed material, we used a unique method, to obtain diffusion bonding concurrently with superplastic forming to achieve ductile, oxide-free bonds at significantly lower pressures and temperature in an argon atmosphere.

Physical Description

9 p.

Notes

OSTI as DE95013290

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  • Other Information: PBD: Jan 1995

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  • Other: DE95013290
  • Report No.: UCRL-ID--119335
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/74169 | External Link
  • Office of Scientific & Technical Information Report Number: 74169
  • Archival Resource Key: ark:/67531/metadc711289

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 1995

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 16, 2016, 5:12 p.m.

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Sunwoo, A.; Lum, R. & Vandervoort, R. Concurrent solid state diffusion bonding and superplastic forming of aluminum alloy 7475, report, January 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc711289/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.