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Compression Strength

There is a significant difference at the 0.05 level (95% confidence) between all alloys, for all temperatures included, except between the alloys AS21 and AE42 at 25°C, 75°C and 175°C.


There is a significant difference at the 0.05 level (95% confidence) between all alloys, for all temperatures included, except between the alloys:

  • AS21 and AE42 at 25°C, 75°C, 125°C and 150°C
  • AM50 and AS21 at 25°C
  • AM50 and AE42 at 25°C and 75°C

Mean Compression Strength Values at Room Temperature
  AZ91 AM50 AM20 AS21 AE42
UTS (MPa) CVS (0.2% offset) 148 (3) 113 (4) 74 (2) 106 (1) 103 (4)
Compression Strength at 1% 182 (3) 138 (3) 93 (2) 134 (2) 137 (3)

Standard deviation values in brackets.


Test Information:

All these data are based on separately die cast test bars produced in a 40 ton cold chamber machine.

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