Ihe nnwale ike ike ụwa niile bụ ngwa nnwale zuru oke dabere na ụkpụrụ ISO na ASTM, na-enye ndị ọrụ ohere ịme ule hardness Rockwell, Vickers na Brinell n'otu ngwa ahụ.A na-anwale ihe nleba anya ike ụwa niile dabere na ụkpụrụ Rockwell, Brinell, na Vickers kama iji mmekọrịta ngbanwe nke sistemu siri ike nweta ọtụtụ ụkpụrụ siri ike.
HB Brinell hardness scale dị mma maka ịlele ike nke igwe nkedo, alloys na-abụghị igwe, yana nchara dị iche iche annealed na nke nwere ọkụ.Ọ dịghị mma maka ịlele samples ma ọ bụ workpieces ndị siri ike, dị obere, dị gịrịgịrị, na-adịghị ekwe ka nnukwu indentations n'elu.
Ọnụ ọgụgụ siri ike nke HR Rockwell dabara maka: nwale ebu, nha ike nke akụkụ emenyụ, emenyụ na ọkụ ọkụ.
HV Vickers hardness scale kwesịrị ekwesị maka: ịlele ike nke ihe nlele na akụkụ ndị nwere obere mpaghara na ụkpụrụ siri ike dị elu, isi ike nke akwa akwa ma ọ bụ mkpuchi mgbe ọgwụgwọ elu dị iche iche gasịrị, na ike nke ihe ndị dị mkpa.
Ihe na-esonụ bụ mmalite nke usoro ọhụrụ nke ihe nleba anya ike ụwa niile: yana ihuenyo mmetụ Universal Hardness Tester
Dị iche na ihe nlebanya ike ike ụwa niile, ọgbọ ọhụrụ Universal hardness tester na-eji teknụzụ sensọ ike yana sistemụ nzaghachi ike mechiri emechi iji dochie ụdị ibu ibu, na-eme ka nha dị mfe yana uru a tụrụ atụ kwụsie ike.
Ike ule:
Rockwell: 60kgf (588.4N), 100kgf (980.7N), 150kgf (1471N)
Rockwell dị elu: 15kg (197.1N), 30kg (294.2N), 45kg (491.3N)
Brinell: 5, 6.25, 10, 15.625, 25, 30, 31.25, 62.5, 100, 125, 187.5kgf 306.5,612.9,980.7,1226,1839N)
Vickers: 5, 10, 20, 30, 50, 100, 120kgf (49.03, 98.07, 196.1, 294.2, 490.3,980.7,1176.8)
Oge nzipu: Sep-27-2023
