The n'ibu ọrụ nkeenweghị nkebi ígwè ọkpọkọbụ ihe mgbaru ọsọ dị mkpa iji hụ na ọrụ kachasị arụ ọrụ (ọrụ nhazi) nke ígwè, nke na-adabere na nhazi kemịkalụ na usoro ọgwụgwọ okpomọkụ nke ígwè.N'ime nkọwapụta ọkpọkọ ígwè, a na-akọwapụta ọrụ nkwụsịtụ (ike ike, ike na-enye ike ma ọ bụ ihe na-emepụta ihe, elongation), ihe mgbaru ọsọ siri ike na ịdịte aka, yana ọrụ dị elu na nke dị ala nke ndị ọrụ chọrọ, akọwapụtara dị ka ihe dị iche iche chọrọ.
① Ike tensile (σb)
Ike kachasị ike (Fb) natara site na ihe nleba anya n'oge usoro nkwụsịtụ na nkwụsịtụ, kewara site na nrụgide nke enwetara site n'ịkewaa ebe mbụ cross-section (So) nke ihe atụ ( σ） , A na-akpọ ike ike (σ b), na N /mm2 (MPa).Ọ na-egosi ike kachasị nke ihe igwe iji guzogide mmebi n'okpuru ike ike.
② Ebe nrubeisi (σs)
Nchegbu nke ihe igwe na-emepụta ihe na-emepụta ihe nwere ike ịga n'ihu na-agbatị na-enweghị mgbakwunye nke ike (na-ejigide nkwụsi ike) n'oge usoro ịgbatị a na-akpọ ebe na-ekwenye ekwenye.Ọ bụrụ na enwere mbelata nke ike, isi ihe na-ekwenye ekwenye dị elu na nke ala kwesịrị iche.Ngalaba nnabata bụ N/mm2 (MPa).
Ihe ntụgharị dị elu (σ Su): Oke nrụgide nke ihe nlele tupu mmalite mbelata nke ike n'ihi ikwenye;Nkebi nkewa (σ SL): Opekempe nrụgide na ọkwa na-ekwenye ekwenye mgbe anaghị atụle mmetụta mbụ ozugbo.
Usoro mgbako maka ebe mgbako bụ:
Na usoro: Fs - ike na-ehulata n'oge usoro nkwụsị nke ihe atụ (stable), N (Newton) Ya mere - akụkụ mbụ nke akụkụ nke ihe atụ, mm2.
③ Elongation mgbe mgbawa (σ)
N'ime nnwale nkwụsịtụ, pasent nke ogologo agbakwunyere na ogologo nlele nke ihe nlele ahụ mgbe ọ gbajisịrị ma e jiri ya tụnyere ogologo nlele mbụ a na-akpọ elongation.na σ na-egosi na unit bụ%.Usoro mgbako bụ:
Na usoro: L1- nlele ogologo nke ihe nlele mgbe agbajichara, mm;L0- Ogologo ihe nlele mbụ nke ihe nlele, mm.
④Ọnụego mbelata ngalaba( ψ )
N'ime nnwale nnwale, oke mbelata na mpaghara obe na mbelata dayameta nke ihe nleba anya mgbe ọ gbajisịrị ka a na-akpọ pasentị nke mpaghara izizi mbụ, nke a na-akpọ ọnụọgụ mbelata nke akụkụ.ya naψ Na-egosi na nkeji bụ%.Usoro mgbako bụ nke a:
Na usoro: S0- Original cross-section nke sample, mm2;S1- Nke kacha nta n'ofe akụkụ na mbelata dayameta nke ihe atụ mgbe mgbawa, mm2.
⑤Ebumnuche ike ike(HB)
A na-akpọ ike nke ihe ígwè iji guzogide nrụgide nke ihe siri ike n'elu.Dị ka ụzọ nnwale dị iche iche na ngwa ngwa si dị, enwere ike kewaa isi ike n'ime brinell hardness, hardness Rockwell, hardness Vickers, Shore hardness, microhardness, na oke okpomọkụ.Enwere ụdị ọkpọkọ atọ a na-ejikarị: Brinell, Rockwell, na Vickers hardness.
Oge nzipu: Sep-14-2023