Heat treatment method for engine valve

The invention discloses a heat treatment method for an engine valve. The methodcomprises the following steps: 1, an engine valve sample is put into a furnace, and the sample is heated to 1150-1200 DEG C; 2, timing and heat preservation are conducted, and the heat preservation time is 3-10 min; and 3...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DENG JISHAO, LIANG YUQING, SUN GE, ZENG YANPENG, LU QITANG, KONG DECI, CHEN JINDOU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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