Ceramic Piston Crown for Truck Run in Desert

Abstract

Abstract: The silicon nitride ceramic piston crown is a critical component for the cooling-free diesel engine. The piston crown material used is GPS-RBSN with rare-earth oxide additives,
sintered in the range of 1800～1960℃, under nitrogen pressure of 0.1～6 MPa, and its bend strength being 750 MPa, K_IC7.2 MPa·m^1/2, weibull Modulus 12.3.
Piston crowns made from this material were assembled in 6105 cooling-free diesel engines, the diesel engine constructed was
rig-tested for more than 700 hours. The engine was installed in an EQ2060 truck and road-tested for more than 1900km in desert and no trouble found.

Key words: desert truck, ceramic piston crown, cooling-free diesel engine

CLC Number:

TQ163

WU Feng-Ying,ZHUANG Han-Rui,LI Wen-Lan,XU Su-Ying,LUO Xin-Yu,FU Xi-Ren. Ceramic Piston Crown for Truck Run in Desert[J]. Journal of Inorganic Materials.

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Ceramic Piston Crown for Truck Run in Desert

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