Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms J. Tribol. 2017;139(3):034504-034504-4. doi:10.1115/1.4034534 Figure Legend: Potential worn zone could form along the trajectory of the knob during the on–off process

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms J. Tribol. 2017;139(3):034504-034504-4. doi:10.1115/1.4034534 Figure Legend: Dimensions for (a) circular tipped pin design and (b) circular micropores texture

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms J. Tribol. 2017;139(3):034504-034504-4. doi:10.1115/1.4034534 Figure Legend: The surface features of the worn surface under load of 4N

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms J. Tribol. 2017;139(3):034504-034504-4. doi:10.1115/1.4034534 Figure Legend: (a) The edge of the wear track under load of 4 N and (b) the ridge formed by debris along the wear track under load of 8N

Date of download: 9/27/2017 Copyright © ASME. All rights reserved. From: Wear Characteristics of Medical Hearing-Aid Components and Friction Reduction Mechanisms J. Tribol. 2017;139(3):034504-034504-4. doi:10.1115/1.4034534 Figure Legend: Profiles of the micropores: (a) before the test and (b) after the test