Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion
In this paper, RBD palm stearin, which is one of the refined products of palm oil, was tested as cold metal working lubricant by plane strain extrusion. Whole experiments were carried out at room temperature 20°C. Pure aluminum A1050 was used as a workpiece. In these experiments, the extrusion loads...
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2009
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my.utm.129082017-02-13T00:30:30Z http://eprints.utm.my/id/eprint/12908/ Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion Syahrullail, Samion Kamitani, Shunpei Nakanishi, K. TJ Mechanical engineering and machinery In this paper, RBD palm stearin, which is one of the refined products of palm oil, was tested as cold metal working lubricant by plane strain extrusion. Whole experiments were carried out at room temperature 20°C. Pure aluminum A1050 was used as a workpiece. In these experiments, the extrusion loads were measured and the surface conditions of workpieces were observed. The distribution of relative velocity was calculated in the deformation zone of workpiece by applying the visioplasticity method. Similar experimental and analytical investigations were carried out for a conventional lubricant, paraffinic mineral oil, and the results were compared to those of the RBD palm stearin. Present investigation confirms that lubrication effect of RBD palm stearin reducing the frictional constraint in the cold metal forming is similar to that of mineral base lubricating oil. However, the existence of RBD palm stearin in solid state at around room temperature affects the surface condition of workpiece, and coarser roughness condition is observed in cold extrusion. European Journals Inc. 2009-10 Article PeerReviewed Syahrullail, Samion and Kamitani, Shunpei and Nakanishi, K. (2009) Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion. European Journal of Scientific Research, 35 (4). 534 -542. ISSN 1450-202X https://www.researchgate.net/publication/286942711_Investigation_of_frictional_constraint_effect_of_RBD_palm_stearin_as_lubricant_by_plane_strain_extrusion |
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TJ Mechanical engineering and machinery Syahrullail, Samion Kamitani, Shunpei Nakanishi, K. Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion |
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In this paper, RBD palm stearin, which is one of the refined products of palm oil, was tested as cold metal working lubricant by plane strain extrusion. Whole experiments were carried out at room temperature 20°C. Pure aluminum A1050 was used as a workpiece. In these experiments, the extrusion loads were measured and the surface conditions of workpieces were observed. The distribution of relative velocity was calculated in the deformation zone of workpiece by applying the visioplasticity method. Similar experimental and analytical investigations were carried out for a conventional lubricant, paraffinic mineral oil, and the results were compared to those of the RBD palm stearin. Present investigation confirms that lubrication effect of RBD palm stearin reducing the frictional constraint in the cold metal forming is similar to that of mineral base lubricating oil. However, the existence of RBD palm stearin in solid state at around room temperature affects the surface condition of workpiece, and coarser roughness condition is observed in cold extrusion. |
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Article |
author |
Syahrullail, Samion Kamitani, Shunpei Nakanishi, K. |
author_facet |
Syahrullail, Samion Kamitani, Shunpei Nakanishi, K. |
author_sort |
Syahrullail, Samion |
title |
Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion |
title_short |
Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion |
title_full |
Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion |
title_fullStr |
Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion |
title_full_unstemmed |
Investigation of frictional constraint effect of RBD palm stearin as lubricant by plane strain extrusion |
title_sort |
investigation of frictional constraint effect of rbd palm stearin as lubricant by plane strain extrusion |
publisher |
European Journals Inc. |
publishDate |
2009 |
url |
http://eprints.utm.my/id/eprint/12908/ https://www.researchgate.net/publication/286942711_Investigation_of_frictional_constraint_effect_of_RBD_palm_stearin_as_lubricant_by_plane_strain_extrusion |
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1643646066749341696 |
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13.250246 |