The Synergistic Antiwear Performances of Organic Titanium Compounds Containing Sulfur with Borate Ester Additive

Table 1

Antiwear properties of TiDDC and BNO.

Samples	Wear scar diameter, mm
	392 N	490 N	588 N
150 SN	0.63	1.12	Failure
+1.0% BNO	0.49	0.69	Failure
+2.0% BNO	0.47	0.72	1.18
+1.0% TiDDC	0.52	0.62	1.09
+2.0% TiDDC	0.51	0.64	1.04
+1.0% ZDDP	0.51	0.71	1.21
+1.0% TiDDC + 1.0% BNO	0.39	0.46	0.97
+0.25% TiDDC + 0.75% BNO	0.42	0.52	0.78
+0.5% TiDDC + 0.5% BNO	0.40	0.49	0.75
+0.75% TiDDC + 0.25% BNO	0.39	0.44	0.51
+1.0% TiDDC + 0.5% BNO	0.38	0.46	0.50