As the increased use of radiation-emitting devices in medical diagnostics and treatments, more individuals are exposed to radioactivity environments. Here, the friction behaviors of diamond-like carbon (DLC) and MoS 2 /DLC under low irradiation (50–300 Gy) were investigated. The γ-irradiation induces slight carbon transformation into fullerene-like structures in both DLC and MoS 2 /DLC, bestowing their higher hardness. Under combined action of friction process, the lower irradiated doses induce higher graphitization process, exhibiting lower...
