Browsing School of Materials Engineering (Articles) by Author "Riyadh A., Al-Samarai"
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Effect of roughness of hypo-and hyper-eutectic Al-Si piston alloy on wear characteristics under lubrication
Riyadh A., Al-Samarai; Haftirman, Dr.; Khairel Rafezi, Ahmad, Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Elsevier B.V., 2013)The tribological behavior of tow Al-Si alloys under the influence of surface roughness average was investigated for the present study. The silicon content of these alloys ranged 10 and 16-wt% Si, and includes hypoeutectic ... -
Evaluate the effects of various surface roughness on the tribological characteristics under dry and lubricated conditions for Al-Si alloy
Riyadh A., Al-Samarai; Haftirman, Dr.; Khairel Rafezi, Ahmad, Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Scientific Research Publishing Inc. All rights reserved., 2012-07)The effect of surface roughness average of hypereutectic aluminum silicon alloys (with 16 wt% Si) on the friction and wear was investigated. Various surface roughness average (Ra) of different degrees was verified as well ... -
Tribological properties of WS2 nanoparticles lubricants on aluminum-silicon alloy and carbon steels
Riyadh A., Al-Samarai; Yarub, Al-Douri, Assoc. Prof. Dr.; Haftirman, Dr.; Khairel Rafezi, Ahmad, Dr. (Walailak University, 2013-06)The rheological properties of nanometric tungsten disulphide (WS2) nanoparticles oil lubricants and its tribological performance with two hypereutectic Al-Si alloy and carbon steel are examined. These two oils are used to ...