Common steel boriding and quenching combined treatment process
A composite treatment, general-purpose steel technology, applied in the field of heat treatment, can solve the problems of increased heat treatment processing costs, low versatility, etc., to prevent spalling, prolong service life, and reduce brittleness.
Inactive Publication Date: 2014-11-19
广州市广智机电工业研究所有限公司
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Abstract
The invention relates to a common steel boriding and quenching combined treatment process which comprises the following steps: cleaning a workpiece, preheating and drying; putting the workpiece into a container filled with a boriding agent, putting the container into a heat treatment furnace, and segmentally heating to a constant boriding temperature; heating or cooling to the quenching temperature of the workpiece in the furnace; discharging the workpiece from the furnace and directly quenching; tempering. The process has the beneficial effects that the boronized workpiece in the container is not discharged from the furnace, is heated or cooled to the quenching temperature and then is discharged from the furnace and directly quenched; boriding and quenching are combined for use, the workpiece is directly heated in the furnace, and a single Fe2B structure can be obtained, so that the structure property can be improved, the brittleness is reduced, and the stripping is prevented; a boriding layer is metallurgically bonded with a base body, so that the service life of the workpiece is prolonged; moreover, the process is suitable for boriding treatment of existing most steel and iron and is very good in commonality. The process can be applied to boriding and quenching of common steel.
Application Domain
Solid state diffusion coating
Technology Topic
QuenchingBrittleness +2
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