ʻO ka mea i hoʻohana nui ʻia i ka hana ʻana, ʻo ia ka paʻakikī o ka paʻi paʻi, e like me Brinell hardness, Rockwell hardness, Vickers hardness and micro hardness.ʻO ka waiwai paʻakikī i loaʻa i ka waiwai e hōʻike maoli ana i ke kū'ē o ka ʻili metala i ka deformation plastic i hoʻokumu ʻia e ka intrusion o ka ...
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