Steel cylinder jacket surface treatment process

• Main Authors: WANG LEI, WANG ANJIANG, JIA JINTAI, GAO AIJUN, WEI SHIZHENG, XING MEIDI, XU QING, FENG BENHAI, GAO QINGZHI
• Format: Patent
• Language: Chinese; English
• Published: 05.03.2008
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

The present invention is surface treatment process for cylinder jacket of steel, and belongs to the field of diesel engine accessory making technology. The surface treatment process for cylinder jacket of steel features the soft gas nitridizing process or carbonitriding process. The present invention has reasonable design, and is smart, simple and feasible. The present invention can form one nitride layer with thickness of 0.1-0.4 mm, hardness up to HV600-700, and capacity of raising the mechanical performance and wear resistance of the cylinder jacket, increasing its service life and raising the piston ring matching performance.