A New Application for Powder Metals: Cast-in-Place Bushings for Diecast Magnesium Steering Wheels

Paper #:
  • 982284

Published:
  • 1998-09-29
Citation:
Kuhn, C., "A New Application for Powder Metals: Cast-in-Place Bushings for Diecast Magnesium Steering Wheels," SAE Technical Paper 982284, 1998, https://doi.org/10.4271/982284.
Author(s):
Pages:
11
Abstract:
A bushing manufactured by the powder metal process is cast-in-place inside a magnesium diecast steering wheel frame. Research was performed in an effort to improve quality and reduce cost by replacing the low carbon steel bushing, manufactured on a screw machine, with a nickel steel powdered metal bushing. The performance of both bushings is compared in the application of a cast-in-place insert with respect to their strength, surface roughness, dimensional repeatability and cost. The powder metal bushing outperforms the screw machine bushing in all areas.
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