Friction and Wear Mechanisms of 316L Stainless Steel in Dry Sliding Contact: Effect of Abrasive Particle Size

Abstract

The present work investigates the dry sliding friction and wear behavior of 316L austenitic stainless steel. Wear tests are performed on a pin-on-plane configuration against abrasive silicon carbide grains ranging from very large (200 mm) to small (15 mm) particles. The experiments are conducted at room temperature under different normal loads of 25-75 N. The wear damage mechanisms and wear debris are analysed using scanning electron microscope (SEM) observations. It is shown that for small abrasive particles, the friction coefficients increase with increasing normal load. However, for large abrasive particles, a reverse trend is observed. This difference is partly explained by a change in wear mechanisms.Finally, surface roughness measurment of the worn surfaces are performed after wear tests. The relationship between the 3D fractal dimension and wear rate is investigated based on fractal theory. The 3D fractal analysis of the worn surfaces showed that higher values of fractal dimensions indicate a larger real contact area and therefore a better wear resistance of the 316L stainless steel.

Abrasive wear behavior of PTFE for seal applications under abrasive-atmosphere sliding condition

“…In other words, the abrasive wear behaviors of PTFE against 316L stainless steel exhibit a "particle size effect". Under the test conditions in this research, abrasive size of 90 μm can be regarded as the threshold value, and this value is approximately the same critical size corresponding to metal-on-metal friction [19,20].…”

Experimental Investigation of Wear Behaviour on Sintered Ti6Al4v/Yttrium Oxide Nano-Composite

“…The wear rate is to be determined with respect to the amount of reinforcement. The influence of hard particle amount has to be predicted for improving the wear property [14][15][16]. In this study, the Ti6Al4V alloy matrix reinforced with yttrium oxide (Y 2 O 3 ) nano-composite was studied.…”

Experimental Research on the Determination of the Coefficient of Sliding Wear under Iron Ore Handling Conditions

“…Due to the fact that shapes and hardness of particles are not constant, the coefficient of sliding friction varies with respect to sliding distance [26,27]. When the coefficient of sliding friction is plotted as a function of sliding distance, two types of friction characteristics (Type 1 and Type 2) are distinguished, as shown in Figs.…”

“…For the test No. 26, A0 is estimated as a circle area with radius a [26], i.e. For the estimation of temperature rise of the moving mild steel disk (∆Td) which has moderately high speed, equation (15) is used [28].…”

“…The two spherical particles (No. [25][26] were fabricated by laser carving where water was used as cooling agent. Figure 7 shows the samples of prepared mild steel disks.…”