CerCo Oxides - Carbides Selection Guide

CerCo Oxides -- Carbides Selection Guide
Forming Method		Pressed				Injection

Material Designator		AI-142	AI-142	AI-142	AI-142	AI-142

Parameter	Units
Bulk Density	g/cc	2.89	2.96	2.52	2.66	5
	lbs./ft³	180.2	184.6	157.2	165.9	311.9
Water Absorption	%	5	8.25	6.9	5.1	2.2
Open Porosity	%	14	24	17.5	12.9	11
Specific Gravity	g/cc	3.38	3.91	3.05	3.05	5.7
	lbs./ft.³	210.8	243.9	190.2	190.2	355.5
Flexural Strength	MPa	12.9	10.2	15.2	24.1	55.2
	psi	1870	1480	2210	3500	8000
Thermal Expansion	ppm/C	8.1	7	5.1	4.8	6.05
	ppm/F	4.5	3.9	2.8	2.7	3.4
Color	—	White	Buff	Black	Black	Tan
Thermal Shock Resistance	—	Good	Excellent	Fair	Fair	Fair
Hot Creep Resistance	—	Good	Low	Excellent	Excellent	Excellent

Forming Method		Cast

Material Designator		CerCoSil	C703	C708	A-101	A-203	A-205	RX-21

Parameter	Units
Bulk Density	g/cc	1.89	1.78	1.83	2.98	2.9	2.72	2.65
	lbs./ft.³	117.9	111.0	114.1	185.9	180.9	169.6	165.3
Water Absorption	%	9.2	13.6	16.4	3.75	5.77	7.81	3.1
Open Porosity	%	15.6	25	30.6	11.2	16.7	21.3	18
Specific Gravity	g/cc	2.24	2.36	2.61	3.36	3.47	3.46	3.22
	lbs./ft.³	139.7	147.2	162.8	209.6	216.4	215.8	200.8
Flexural Strength	MPa	13.79	7.92925	8.274	20.4092	15.4448	12.411	110.32
	psi	2000	1150	1200	2960	2240	1800	16000
Thermal Expansion	ppm/C	1.3	1.55	2.5	5.3	6.2	6	4.5
	ppm/F	0.72	0.86	1.39	2.94	3.44	3.33	2.50
Color	—	White	Off White	White	White	Off White	Buff	Black
Thermal Shock Resistance	—	Excellent	Excellent	Excellent	Poor	Fair	Good	Good
Hot Creep Resistance	—	—	—	—	Excellent	Excellent	Poor	Excellent

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