Table 2.

Mechanical characteristics, biocompatibility, and corrosion resistance of metallic and polymeric biomaterials that are extensively utilized in orthopedics.

Materials			Density (g/cm3)	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation at Break (%)	Elastic Modulus (Gpa)	Biocompatibility	Corrosion-Resistance	Refs.
Metal	Non-biodegradable	316 L steel	7.9	290	579	40	193	Poor	Reasonable	[50,51,52,53]
		Ti-6Al-4V	4.43	850–900	960–970	14	110	Fair	Excellent
		CoCr20Ni15Mo7	7.8	240–450	450–960	50	195–230	Poor	Excellent
	Biodegradable	Pure Mg	1.74–2	65–100	90–190	2–10	41–45	Excellent	Poor	[50,53]
		Fe20Mn alloy	7.73	420	700	8	207
		Zn-Al-Cu (Zn based alloy)	5.79	171	210	1	90
Polymer	Non-biodegradable	UHMWPE	0.931–0.949	21.4–27.6	38.6–48.3	3.5–5.25	0.894–0.963	Good	Excellent	[54,55]
		PMMA	1.18	-	72	5	310	Good	Excellent	[56,57,58,59,60]
		PEEK	1.23–1.32	87–95.2	70.3–103	0.3–1.5	3.76–3.95	Good	Excellent	[61,62,63,64]
	Biodegradable	PLA	1.21–1.25	60	21–60	6	0.35–3.5	Excellent	poor	[2,65]
		PLGA	1.30–1.34	3.8–26.6	13.9–16.7	5.7	-	Excellent	Poor	[2,50]
		PLC	1.11–1.14	8.37–14.6	20.7–42	22.8–28.3	0.21–0.44	Excellent	Poor