Patent ID: 8647751
Filing Date: 2014-02-11
Classification: C23C,F01L,Y10T

Abstract:
1. An automotive valve spring retainer comprising: an automotive valve spring retainer made of titanium, aluminum, an alloy of titanium, or an alloy of aluminum, wherein said valve spring retainer has a titanium, aluminum, alloy of titanium, or alloy of aluminum impact wearing surface; and a coating consisting essential of the metal molybdenum or a molybdenum alloy, wherein said coating is porous and directly contacts said impact wearing surface; wherein said coating has been applied by thermal spraying using a thermal spray technique selected from the group consisting of high velocity oxy-fuel (HVOF), plasma, twin-wire arc, detonation gun, and cold spray, and wherein said valve spring retainer has not been heated during the application of said coating by more than 100° C.