1 Introduction</h5> Owing to its superior chemical and physical properties as well as cost effectiveness, multicomponent silicate glasses have been widely used for building and automotive windows, display glasses, kitchen ware, furniture etc. [1,2] . In these applications, the durability of glass surfaces is an important factor determining processability or service life of glass materials [3–7] . Thus, it is essential to understand the wear or scratch behavior of glass in various environmental conditions.</P>Generally, the friction and wear of materials depend on their mechanical properties (elastic modulus and hardness) and structural defects (dislocations or microcracks) [8–11] . In ambient air, they also depend on mechanochemical reactions involving adsorbed molecules impinging from the gas phase [12,13] . For example, it was found that wear of silicon surface could be prevented in the presence of alcohol vapor in the ambient. The adsorbed alcohol molecules could increase the energy barrier required to cleave the Si–O–Si bonds at the native oxide surface of the Si wafer, as compared to clean hydroxyl-terminated SiO 2 surfaces  . For inorganic materials with drastically different chemical and topographic structures, it was reported that a monolayer of adsorbed organic molecules could lubricate the solid interfaces and
Wear – Elsevier
Published: Nov 15, 2015
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