皮质骨模型

Sawbones 的独特环氧树脂配方填充了短玻璃纤维，用于模拟皮质骨，以进行固定装置和全关节置换的结构测试。我们的模拟皮质骨的密度、断裂韧性、强度、模量和硬度均与尸体皮质骨相似。
这种材料是所有 absolute™ 骨骼的皮质骨部分。

PHYSICAL PROPERTY		absolute™ 4th GEN.	absolute™ OSTEO	UNITS	TEST METHOD
Density		102	82	pcf	ASTM D792
		1.64	1.31	g/cc
Hardness		92	90	Shore D	ASTM D2240
Tensile Modulus	Longitudinal	16	5.4	GPa	ASTM D638
	Transverse	11	isotropic	GPa
Tensile Strength	Longitudinal	130	70	MPa
	Transverse	96	isotropic	MPa
Ultimate Tensile Strain	Longitudinal	1.9	1.7	%
	Transverse	1.5	isotropic	%
Flexural Modulus		12	5.1	GPa	ASTM D790
Flexural Strength		145	81	MPa
Poisson Ratio		0.26	0.26
Compressive Strength		167	147	MPa	ASTM D695
Fracture Toughness, KIC		4.6	1.5	MPa M1/2	ASTM E399
Impact Strength, Notched Izod		48	25	J/m	ASTM D256
Impact Resistance, Notched Izod		4.7	2.5	kJ/m2

absolute™ SHEET/CYLINDER TOLERANCES:
Density	±2.5%
Length and Width	±2mm
Sheet/Wall Thickness	≤ 2mm = ±0.2mm > 2mm = ±0.3mm