... 87, 198 3, p 20 7-2 25 18. R.G. Bayer, Impact Wear of Elastomers, Wear, Vol 112, 198 6, p 10 5-1 20 19. P.A. Engel and D.L. Millis, Surface Topography Study in Impact Wear, Wear, Vol 75, 198 2, ... 10 Four-bearing RCF testing apparatus. See Table 1. Wear, Wear, Vol 74, 198 1-1 982, p 13 1-1 42 15. T. Sugita, K. Suzuki, and Y. Nakata, Impact Wear of MgO Single Crystals, Wear, Vol 58, 198 0, ... Ltd.), Vol 3, 197 4, p 4 9-5 2 10. R.G. Bayer, P.A. Engel, and J.L. Sirico, Impact Wear Testing Machine, Wear, Vol 19, 197 2, p 34 3-3 54 11. P.A. Engel and J.L. Sirico, Impact Wear Study of...