. 2014 Apr;32(100):76–88. doi: 10.1016/j.jmbbm.2013.12.010

Table 5.

Fracture toughness, glass transition temperature and hardness of Cemex Isoplastic and Palacos R after ageing in air for 24 h at 23 °C or Ringer's solution for 60 days at 37 °C.

	Critical stress intensity factor,K_ic(MPa m^1/2)	Glass transition temperature,T_g(°C)	Hardness HV30/10 (MPa)
Cemex Isoplastic

Air 24 h	1.68±0.14	127.29±1.63	24.78±2.01
Ringer's solution 60 days	1.38±0.08^a	121.58±1.42^a	19.10±1.98^a

Palacos R
Air 24 h	2.46±0.19	126.17±3.25	19.76±1.84
Ringer's solution 60 days	1.50±0.31^a	117.90±1.23^a	17.47±2.58^a

Significantly different from sample aged in air for 24 h (ANOVA p<0.05).