Tribochemistry and EP Activity Assessment of Mo-S Complexes in Lithium-Base Greases

Table 2

Summary of the experimental results obtained with prepared Grease A, Grease B, and Grease C in the four-ball test.

Sl. No.	LUBRICANT	ISL^* kgf	d^* at ISL mm	SDL^* kgf	JBWL^* kgf	d^* at JBWL^* mm	WL^* kgf	FTP^* max	PWI^* max
(1)	Grease A	80	0.70	100	140	1.90	160	132	9
(2)	Grease B	112	0.70	126	280	2.60	315	217	11
(3)	Grease C	112	0.50	126	280	2.50	315	270	11

d^*  =  wear-scar diameter, ISL^*  =  initial seizure load, SDL^*  =  2.5-second seizure delay load, JBWL^*  =  just before weld load, WL^*  =  weld load, FTP^*  =  flash temperature parameter, PWI^*  =  pressure wear index.