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Title: Tribology of two-dimensional materials: From mechanisms to modulating strategies

Journal Article · · Materials Today
 [1];  [1];  [2];  [1]
  1. Tsinghua Univ., Beijing (China)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)

Two-dimensional (2D) materials are crystalline materials made of a single or a few layers of atoms. They have been an active research subject in recent years because of their unique physical and chemical properties. In particular, 2D materials such as graphene, hexagonal BN, and MoS2 exhibit some of the lowest friction coefficients and wear rates, making them attractive for enhancing the efficiency, durability, and environmental compatibility of future mechanical systems. This review will focus on recent advances in the tribology of 2D materials. Starting from general physical characteristics, the essential friction and wear behavior of 2D materials together with the associated mechanisms are reviewed for both interlayer and surface sliding. Influences of the atomic structures of the slip interfaces and environmental factors are discussed, with special attention given to various strategies for achieving friction modulation and superlubricity. Finally, the emerging engineering applications of 2D materials, as well as future prospects, are summarized.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Natural Science Foundation of China (NSFC); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1559119
Alternate ID(s):
OSTI ID: 1780371
Journal Information:
Materials Today, Journal Name: Materials Today Journal Issue: C Vol. 26; ISSN 1369-7021
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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