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Material	Coefficient of thermal expansion 10-6/℃	Compressive strength MPa	Elastic coefficient GPa	Friction Coefficient µ	Tensile strength MPa	Shear strength MPa	Adhesion strength MPa
Hybrid composite	23 (Thickness)4.25(In-plane)	812	67	0.15	780	63.8	62
White metal (ECKA TEGOSTAR)	21	190	57	0.68	78	-	71
Deviation (prior art comparison)	2 (9.5%)[-16.7)	622 (327%)	10-18%	-5.75	702-900%	-	-9(-12.7%)
Deviation	Good	Excellent	Good	Excellent	Excellent
Evaluation	stress reduction	Shear stress	Impact resistance	Lubricity	High-load conditions	Shear stress	Sufficient

BRG type	Torque(N.m)	Power(kw)	BRG Temp #1(℃)	Oil Temp #3()	Oil Temp.△t	Mean Pressure[Mpa]	mass flow(I/min)	△X Amplitude(㎛)	△Y Amplitude(㎛)	Eccen.(mm)	Eccen ratio	hmin(mm)
Hybrid composite 1.8Mpa	368.4	69.4	70.2	70.8	23	1.9	314.8	1.8	1.7	0.41	0.55	0.3
White metal 1.8Mpa	383.4	72.2	102.4	96.3	23.6	1.83	321.9	1.6	1.7	0.38	0.47	0.4
Hybrid composite 2.5Mpa	375.8	70.7	74.7	75.7	26.3	2.58	314.2	1.3	2	0.39	0.51	0.4
White metal 2.5Mpa	379.7	71.5	112.6	112.2	26.7	2.5	314.7	1.4	1.7	0.36	0.43	0.4
Hybrid composite 4Mpa	392.8	74	80.4	81.6	29.7	4.1	313.6	1.3	1.6	0.39	0.48	0.4
White metal 4Mpa	397.8	75	115.9	131.8	25.1	4.02	316.3	1.3	1.4	0.33	0.4	0.5
Hybrid composite 5Mpa	416.2	78.4	79.1	81.4	31.4	5.01	313.6	1.3	1.5	0.39	0.44	0.4
White metal 2.5Mpa	379.7	71.5	112.6	112.2	26.7	5.5	314.7	1.4	1.7	0.36	0.43	0.4
Hybrid composite 2160	438	99	70.2	70.7	27.5	1.88	314.7	1	1.2	0.47	0.62	0.29
White metal 2160	453.9	102.5	105	97.9	28.9	1.8	323	0.9	1	0.36	0.47	0.4
Hybrid composite 60℃	335.1	63.2	96.3	97.5	37	2.5	310.2	1.5	2.8	0.38	0.48	0.4
White metal 49℃	365	68.8	114.8	114.7	27.1	2.5	314	1.4	1.9	0.36	0.45	0.4