1. Azushima, A., Tsubouchi, M., Kudo, H. , 1990. Direct observation of lubricant behaviors under the micro-PHL at the interface between workpiece and die. In: Proceedings of the Thirrd International Conference on Technology of Plasticity, Adv. Technol. Plas., 551–556.
2. Permeation of lubricant trapped within pocket into real contact area on the end surface of cylinder;Azushima;J. Tribol.,2011
3. Mechanism of metallic friction;Bowden;Nature,1942
4. The effect of variation of base lubricant viscosity on coefficient of friction during metal deformation;Butler;J. Inst. Pet.,1960
5. Numerical modelling of micro-plasto-hydrodynamic lubrication in plane strip drawing;Carretta;Tribol. Int.,2017