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Innovation and Transfer of U.S. Air Force Manufacturing Technology (1981) / Chapter Skim
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Appendix A: HIP Casting Consolidation Technology
Pages 19-26

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From page 19...
... 5. In some cases, improved investment casting techniques, directional solidif ication, single crystal castings, or use of forgings are technical alternatives to HIP casting.
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From page 20...
... More recently Battelle has avoided that role, but IMT and other firms provide HIP casting job shop services to parts suppliers. When Howmet acquired production facilities, it began to provide job shop service to other parts suppliers; TRW, for example, sends part of its HIP casting business to Howmet.
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From page 21...
... Evendale, located close to the AEML in Dayton, Ohio, follows a policy of using Air Force f unds for risky R&D that it might not otherwise undertake. Within GE, design and manufactur ing considerations are tightly coupled, but managers in the Manufacturing Technology Operation believe that product design considerations ultimately drive decisions related to production processes .
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From page 22...
... There they heard a presentation on HIP casting given by workers from GE Schenectady. After the conference Howmet researchers recovered the results of earlier Howmet research and initiated development using powder metallurgy facilities at Industrial Materials Teabnology (IMT)
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From page 23...
... The decision to adopt frequently follows a period of using outside HIP casting services. Parts Suppliers Howmet Turbine Components Corporation Howmet, at the completion of its HIP casting development project, had to decide whether to continue to subcontract for HIP casting or to acquire its own equipment.
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From page 24...
... Engine Builders: GE Lynn Engine builders provide the demand for HIP castings which drives the investment decision of the part suppliers. Within GE, the demand entails technology transfer from engineering materials researab to engineers responsible for the design and production of specific engine programs.
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From page 25...
... and IMT. Growth of IMT' ~ capacity and Howmet' s new operations suggest that when GE Lynn is ready to adopt fully HIP castings, production capacity will be available.
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From page 26...
... 1974 : GE completes its first AFML contract, reporting success in densification of Rene'80 and Ti-6 Al -4V castings. 1975 : Hbwmet commits to capital investment in HIP casting facilities.
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Key Terms

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  • casting equipment
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  • powder metallurgy
  • casting facilities

  • precision castparts
  • own hip
  • aircraft engine
  • turbine components
  • manufacturing technology

  • casting development
  • gas turbine
  • casting capacity
  • howmet turbine
  • castparts corporation

  • casting services
  • components corporation
  • engine components
  • adopt hip
  • purchase hip

  • industrial materials
  • isostatic pressing
  • engine buyers
  • corporation howmet
  • hot isostatic

  • casting techniques
  • casting research
  • materials properties
  • turbine engines
  • afml contract


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