Wear protection layer for piston rings

Wear protection layer for piston rings

  • CN 104,040,014 A
  • Filed: 03/19/2012
  • Published: 09/10/2014
  • Est. Priority Date: 07/12/2011
  • Status: Active Application
First Claim
Patent Images

1. a wear-resistant coating for piston ring, comprising:

  • The iron (Fe) of 15-25% weight ratio,The wolfram varbide (WC) of 10-25% weight ratio,The chromium (Cr) of 30-40% weight ratio,The nickel (Ni) of 10-25% weight ratio,The molybdenum (Mo) of 10-25% weight ratio,The carbon (C) of 1-10% weight ratio,The silicon (Si) of 0.1-2% weight ratio,Wherein, Cr is using element form and/or as a kind of carbide Cr 2c 3form exist.

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