Effect of Contact Lubricant on Contact Resistance Characteristics — Contact Resistance of Lubricated Surface and Observation of Lubricant Molecules —

Terutaka TAMAI; Masahiro YAMAKAWA; Yuta NAKAMURA

doi:10.1587/transele.E99.C.985

Effect of Contact Lubricant on Contact Resistance Characteristics — Contact Resistance of Lubricated Surface and Observation of Lubricant Molecules —

Terutaka TAMAI, Masahiro YAMAKAWA, Yuta NAKAMURA

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The electrical lubricants have been accepted to reduce friction of contacts and to prevent degradation of contact resistance. However, as the lubricant has an electrical insulation property it seems that application to contact surface is unsuitable for contact resistance. These mechanisms in contact interfaces have not fully understood. In this paper, relationships between contact resistance and contact load were examined with both clean and lubricated surfaces. Orientation of the lubricant molecules was observed by high magnification images of STM and AFM. There was no difference in contact resistance characteristics for both clean and lubricated surfaces in spite of lubricants thickness. The molecules were orientated perpendicular to the surface. This fact turns over an established theory of adsorption of non-polar lubricant to surface.

Publication: IEICE TRANSACTIONS on Electronics Vol.E99-C No.9 pp.985-991

Publication Date: 2016/09/01

Publicized

Online ISSN: 1745-1353

DOI: 10.1587/transele.E99.C.985

Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices)

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Authors

Terutaka TAMAI
  Elcontech Consulting, Inc.
Masahiro YAMAKAWA
  TETRA Co., Ltd.
Yuta NAKAMURA
  TETRA Co., Ltd.

Keyword

contact lubricant, contact resistance, surface asperity, ellipsometry, contact lubricants

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Terutaka TAMAI, Masahiro YAMAKAWA, Yuta NAKAMURA, "Effect of Contact Lubricant on Contact Resistance Characteristics — Contact Resistance of Lubricated Surface and Observation of Lubricant Molecules —" in IEICE TRANSACTIONS on Electronics, vol. E99-C, no. 9, pp. 985-991, September 2016, doi: 10.1587/transele.E99.C.985.
Abstract: The electrical lubricants have been accepted to reduce friction of contacts and to prevent degradation of contact resistance. However, as the lubricant has an electrical insulation property it seems that application to contact surface is unsuitable for contact resistance. These mechanisms in contact interfaces have not fully understood. In this paper, relationships between contact resistance and contact load were examined with both clean and lubricated surfaces. Orientation of the lubricant molecules was observed by high magnification images of STM and AFM. There was no difference in contact resistance characteristics for both clean and lubricated surfaces in spite of lubricants thickness. The molecules were orientated perpendicular to the surface. This fact turns over an established theory of adsorption of non-polar lubricant to surface.
URL: https://globals.ieice.org/en_transactions/electronics/10.1587/transele.E99.C.985/_p

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@ARTICLE{e99-c_9_985,
author={Terutaka TAMAI, Masahiro YAMAKAWA, Yuta NAKAMURA, },
journal={IEICE TRANSACTIONS on Electronics},
title={Effect of Contact Lubricant on Contact Resistance Characteristics — Contact Resistance of Lubricated Surface and Observation of Lubricant Molecules —},
year={2016},
volume={E99-C},
number={9},
pages={985-991},
abstract={The electrical lubricants have been accepted to reduce friction of contacts and to prevent degradation of contact resistance. However, as the lubricant has an electrical insulation property it seems that application to contact surface is unsuitable for contact resistance. These mechanisms in contact interfaces have not fully understood. In this paper, relationships between contact resistance and contact load were examined with both clean and lubricated surfaces. Orientation of the lubricant molecules was observed by high magnification images of STM and AFM. There was no difference in contact resistance characteristics for both clean and lubricated surfaces in spite of lubricants thickness. The molecules were orientated perpendicular to the surface. This fact turns over an established theory of adsorption of non-polar lubricant to surface.},
keywords={},
doi={10.1587/transele.E99.C.985},
ISSN={1745-1353},
month={September},}

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TY - JOUR
TI - Effect of Contact Lubricant on Contact Resistance Characteristics — Contact Resistance of Lubricated Surface and Observation of Lubricant Molecules —
T2 - IEICE TRANSACTIONS on Electronics
SP - 985
EP - 991
AU - Terutaka TAMAI
AU - Masahiro YAMAKAWA
AU - Yuta NAKAMURA
PY - 2016
DO - 10.1587/transele.E99.C.985
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E99-C
IS - 9
JA - IEICE TRANSACTIONS on Electronics
Y1 - September 2016
AB - The electrical lubricants have been accepted to reduce friction of contacts and to prevent degradation of contact resistance. However, as the lubricant has an electrical insulation property it seems that application to contact surface is unsuitable for contact resistance. These mechanisms in contact interfaces have not fully understood. In this paper, relationships between contact resistance and contact load were examined with both clean and lubricated surfaces. Orientation of the lubricant molecules was observed by high magnification images of STM and AFM. There was no difference in contact resistance characteristics for both clean and lubricated surfaces in spite of lubricants thickness. The molecules were orientated perpendicular to the surface. This fact turns over an established theory of adsorption of non-polar lubricant to surface.
ER -