B - Operations – Transporting – 24 – C
Patent
B - Operations, Transporting
24
C
B24C 1/10 (2006.01) B21D 31/06 (2006.01) B23K 35/30 (2006.01) B23P 5/00 (2006.01) B24B 39/00 (2006.01) C21D 1/18 (2006.01) C21D 7/06 (2006.01)
Patent
CA 2080265
ABSTRACT OF THE DISCLOSURE Previously known peening particle supports fail under cyclic stresses encountered during peening operations. An improved high-intensity rotary peeningparticle support of the type having a plurality of peening particles metallurgically secured to an exposed face thereof is presented, the support having a base composition consisting essentially of from 0.08 to 0.34 weight percent carbon, the balance iron, and a Ni-enriched layer which provides a hard, wear resistant surface. A method of producing such a support is also described, the method including cold forming a peening particle support base composition as described,stress relieving, metallurgically joining peening particles to an exposed face of the support, austenitizing, quenching, and tempering the support to form a support having a Ni-enriched layer which is harder than the base composition.
Lovejoy Michael W.
Trice Jennifer L.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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