Electric heating – Metal heating – By arc
Patent
1982-04-01
1984-08-21
Albritton, C. L.
Electric heating
Metal heating
By arc
219121EM, B23K 1500
Patent
active
044671695
ABSTRACT:
A cylinder liner is provided with a white cast iron layer formed in its inner peripheral surface in an area surrounding the top dead center position of the piston, and a thermally created layer is formed underlying the white cast iron layer. The layers may be simultaneously formed by reheating portions of the substantially finished liner with a high density heat radiation source.
REFERENCES:
patent: 4017708 (1977-04-01), Engel et al.
patent: 4093842 (1978-06-01), Scott
Metallurgy, "Surface Heat Treatment of Steel to Combat Wear," Mar. 1982.
Hiraoka Takeshi
Urano Shigeru
Yamamoto Kiyoshi
Albritton C. L.
Nippon Piston Ring Co. Ltd.
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