Alcoa Howmet
Hot Isostatic Pressing (HIP)
Whitehall, Michigan
The HIP process involves the simultaneous application of elevated temperature and isostatic gas pressure to a material for a specified period of time.  Using this process, voids within a casting are reduced or eliminated through a combination of creep and diffusion bonding.  Primary applications are the reduction of microshrinkage, the consolidation of powder metals, ceramic composites and metal cladding.  In 1976, after an extensive development program initiated in the mid-1960's, Alcoa Howmet became the first company to offer HIP-production services to the aerospace industry.  Today the company operates one of the largest HIP facilities in the world.
  • Seven modern units ranging in size from 9 inches to 58 inches in diameter, and from 26 inches to 94 inches in height
  • Operating pressures to 45,000 psi (310 MPa) and temperatures to 3,632°F (2,000°C)
  • Product encapsulation and degassing services to HIP
  • Vacuum heat treat
  • On-site metallography lab

  Download the HIP brochure [2097 KB]

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Alcoa Howmet
Hot Isostatic Pressing

1600 S Warner St
Whitehall, MI 49461
Phone: (231) 894-5686
Fax: (231) 894-7499
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