Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: XRD spectrum for pristine UHMWPE. Inset—SEM micrograph of the pristine UHMWPE powder particles.

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: XRD spectrum for C15A organoclay and different loadings of C15A reinforced UHMWPE nanocomposites. Inset: chemical structure of the organic modifier for C15A.

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: Variation of Shore D hardness for pristine UHMWPE and different loadings of C15A reinforced UHMWPE nanocomposites

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: Variation in the (a) average COF, (b) specific wear rate for UHMWPE and UHMWPE nanocomposites with clay loadings of 0, 0.5, 1.5, and 3 wt.% of C15A nanoclay

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: Typical frictional graphs for UHMWPE and UHMWPE nanocomposites with clay loadings of 0, 0.5, 1.5, and 3 wt.% of C15A nanoclay at a normal load of 30 N and speed of 6.82 cm/s

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: (a)–(d) SEM images of the wear tracks at lower magnification, (e)–(h) SEM images of the wear tracks at a higher magnification, (i)–(l) optical micrographs of the counterface balls after the wear tests for the pristine UHMWPE and the different loadings of the C15A reinforced UHMWPE nanocomposites

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: (a)–(d) Optical 3D images of the wear track, (e)–(h) optical 2D profiles of the wear tracks, (i)–(l) optical contour images of the wear tracks for the pristine UHMWPE and the different loadings of the C15A reinforced UHMWPE nanocomposites

Date of download: 10/15/2017 Copyright © ASME. All rights reserved. From: Evaluation of Tribological Properties of Organoclay Reinforced UHMWPE Nanocomposites J. Tribol. 2016;139(1):012001-012001-6. doi:10.1115/1.4033188 Figure Legend: (a) COF for the UHMWPE/1.5 wt.% C15A nanocomposites and pristine UHMWPE with increasing normal loads (b) Variation of wear rates for the UHMWPE/1.5 wt.% C15A nanocomposites and pristine UHMWPE with increasing normal loads