30-03-2010, 09:31 PM
send me full information please its urgent
30-03-2010, 09:31 PM
send me full information please its urgent
02-04-2010, 01:15 PM
Improving component wear performance through cryogenic treatment
Controlling machine wear is a fundamental function of lubrication. By properly specifying lubricant viscosity, using appropriate modifying additives, and controlling contamination, wear rates can be minimized to extend equipment life. Cryogenic treatment of tooling steels is a proven technology to increase wear resistance and extend intervals between component replacements for blades, bits, and machining mills. Recent studies have been conducted on the effects of cryogenic treatment on bearings, gears and engine components to reduce wear and improve performance. component design, manufacture, specification, installation, and maintenance are the main factors that determine the reliability. Background on Cryogenic Processing: The primary reason for heat treating steel is to improve its wear resistance through hardening.The rapid cooling (quenching) of the steel in the quenching medium will cause the atoms in the microstructure to rearrange in the atomic structure that is called martensite.Cryogenic processing has been around for many years. Earlier technique was the steel tooling would be immersed in liquid nitrogen for a brief period of time, allowed to warm up, then placed into service. Later in the 1960's cryogenic processors would use multi-stage mechanical coolers along with insulated Ëœcold-boxesâ„¢ to gently remove the latent heat from tooling thereby achieving a much slower cooling rate, concurrent with longer wear lives. State of the Science Today: the deep cryogenic process, when applied correctly and consistently to a host of materials, is effective in increasing wear resistance and stability in materials. This process has become more widely accepted throughout industry. The studies have shown that cryogenic treatment produces metallurgical changes in the microstructure of steel which is the reason for the dramatic improvement in wear resistance for more, refer this pdf: http://www.cryopluspdf/icwptct.pdf
10-08-2010, 09:15 PM
please send me more material on metallurgical changes in steel s due to cryogenic processing and its applications too, provide links , thanx
25-05-2011, 08:16 PM
hi friend you can refer this page to get the details on cryogenic treatment on metals
https://seminarproject.net/Thread-cryoge...-treatment |
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