Air-assisted boric acid solid powder lubrication in surface grinding: an investigation into the effects of lubrication parameters on surface integrity of AISI 1045

Air-assisted boric acid solid powder lubrication in surface grinding: an investigation into the... Solid powder lubricants provide distinct advantages over conventional coolants in machining applications. Various novel approaches have been used over the years for delivering these lubricants to the machining zone. This work employs air-assisted approach using air as carrier medium and reports on the effects of “lubricant/air mixture ratio,” powder particle size,” and “lubricant laden airflow rate” on surface roughness, microhardness, and residual stresses when AISI 1045 steel is ground with boric acid as lubricant. Nested-factorial mixed model design of experiment is used for structured inquiry; two levels (25 and 96.5 μm) of lubricant “powder particle size” are in factorial arrangement with three levels (1:1/2, 1:1, 1:2) of “lubricant/air mixture ratio.” Three distinct levels of “lubricant laden airflow rate” are nested within the levels of “lubricant/air mixture ratio.” Results show that coarse particles and concentrated mixture give favorable results in general, except for residual stresses. Balanced analysis of variance (ANOVA) reveals that “powder particle size” is statistically significant (95% confidence) for all three response measures whereas “lubricant/air mixture ratio” is significant for microhardness and residual stresses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Air-assisted boric acid solid powder lubrication in surface grinding: an investigation into the effects of lubrication parameters on surface integrity of AISI 1045

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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-016-9982-5
Publisher site
See Article on Publisher Site

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