Morgan Advanced Ceramics HIP Vitox™ Mac-A999R Bio Technical Ceramic

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Morgan Advanced Ceramics HIP Vitox™ Mac-A999R Bio Technical Ceramic
Categories:	Ceramic
Material Notes:	A very high purity alumina ceramic, produced specifically for surgical implant devices. Applications: Joint replacement components Femoral heads to match cup liners of same material or UHMWPE Cup liners information provided by Morgan Advanced Materials
Key Words:	Technical Ceramic
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Physical Properties	Original Value	Comments

Density	3.980 g/cc	fired
Porosity	0.00 %	fully dense, nominal
Grain Size	1.2 µm

Mechanical Properties	Original Value	Comments
Hardness, Rockwell 45 N	90
Hardness, Vickers	22.1	Gpa @ Hv
Modulus of Elasticity	407 GPa
Flexural Strength	380 MPa	biaxial
	550 MPa	4-point
Fracture Toughness	4.00 MPa-m½	KIC (SENB)

Thermal Properties	Original Value	Comments
CTE, linear	6.80 µm/m-°C
Specific Heat Capacity	0.800 J/g-°C
Thermal Conductivity	30.4 W/m-K

Component Elements Properties	Original Value	Comments
Al2O3	99.9 %

Descriptive Properties
Color	white
Comparative Wear Data	HIP Vitox®, Cr-Co-Mo Alloy
Th-232 Content	<0.4 ppm
U-238 Content	<0.4 ppm
Wear Factor	0.57 (mm3/Nm)10-7, in physiological saline, against UHMWPE, pin on plate tests
	0.68 (mm3/Nm)10-7, in distilled water, against UHMWPE, pin on plate tests
	0.7 (mm3/Nm)10-7, in distilled water, against UHMWPE, pin-on-disc test
	0.87(mm3/Nm)10-7, in distilled water, against UHMWPE, pin-on-disc test
	1.01 (mm3/Nm)10-7, in calf bovine serum, against UHMWPE, pin on plate tests
	1.12 (mm3/Nm)10-7, in distilled water, against UHMWPE, pin on plate tests
	1.7 (mm3/Nm)10-7, dry, against UHMWPE, pin-on-disc test
	1.81 (mm3/Nm)10-7, in calf bovine serum, against UHMWPE, pin on plate tests
	100 (mm3/Nm)10-9, 5 cycles, Stainless Steel. Wear against UHMWPE, pin-on-disc tests in distilled water to ASTM F732-82.
	3.3 (mm3/Nm)10-9, 5 cycles, HIP Vitox®. Wear against UHMWPE, pin-on-disc tests in distilled water to ASTM F732-82.
	3.4 (mm3/Nm)10-7, dry, against UHMWPE, pin-on-disc test
	3.89(mm3/Nm)10-7, in physiological saline, against UHMWPE, pin on plate tests
Wear Rate	0.04 mg/million cycles. Wear against UHMWPE, pin-on-disc tests in distilled water to ASTM F732-82
	1.05mg/million cycles. Wear against UHMWPE, pin-on-disc tests in distilled water to ASTM F732-82

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