No ka meakaulahao loulou poepoei hoʻohana ʻia i nā mea hoʻoili slag scraper, pono e loaʻa i nā mea kila ka ikaika ʻokoʻa, ke kūpaʻa ʻana, a me ka hiki ke kū i nā wela kiʻekiʻe a me nā wahi abrasive.
ʻO 17CrNiMo6 a me 23MnNiMoCr54 nā mea kila kila kiʻekiʻe i hoʻohana mau ʻia no nā noi kaumaha e like me nā kaulahao loulou poʻe i loko o nā mea hoʻoili slag scraper. ʻIke ʻia kēia mau kila no ko lākou ʻoi aku ka paʻakikī, ka paʻakikī, a me ke kūpaʻa ʻana, ʻoi aku hoʻi i ka wā i hoʻopaʻa ʻia i ka hihia e ka carburizing. Aia ma lalo kahi alakaʻi kikoʻī e pili ana i ka mālama wela a me ka carburizing no kēia mau mea:
He hana koʻikoʻi ka hoʻāʻo ʻana i ka paʻakikī i ka hōʻoia ʻana i ka maikaʻi a me ka hana ʻana o nā kaulahao loulou puni i hana ʻia mai nā mea like me 17CrNiMo6 a me 23MnNiMoCr54, ʻoi aku ma hope o ka carburizing a me ka mālama wela. Aia ma lalo iho kahi alakaʻi a me nā ʻōlelo aʻoaʻo no ka hoʻāʻo ʻana i ka paakiki kaulahao loulou:
2. Ho'āʻo ʻo Vickers Hardness (HV)
- Manaʻo: E ana i ka paʻakikī ma nā kiko kikoʻī, me ka hihia a me ke kumu.
- Kaulike: Vickers paakiki (HV).
- Kaʻina hana:
- Hoʻokomo ʻia kahi indenter pyramid daimana i loko o ka mea.
- Ua ana ʻia ka lōʻihi diagonal o ka indentation a hoʻololi ʻia i ka paʻakikī.
- Nā noi:
- He kūpono no ke ana ʻana i nā gradient paʻakikī mai ka ʻili a i ke kumu.
- Lako: Vickers mea ho'āʻo paʻakikī.
3. Ho'āʻo Microhardness
- Manaʻo: E ana i ka paʻakikī ma kahi pae microscopic, hoʻohana pinepine ʻia e loiloi i ka ʻaoʻao paʻakikī ma waena o ka hihia a me ke kumu.
- Kaulike: Vickers (HV) a i ʻole Knoop (HK).
- Kaʻina hana:
- Hoʻohana ʻia kahi indenter liʻiliʻi e hana i nā micro-indentations.
- Ua helu ʻia ka paʻakikī ma muli o ka nui indentation.
- Nā noi:
- Hoʻohana ʻia e hoʻoholo i ka gradient paʻakikī a me ka hohonu o ka hihia kūpono.
- Mea lako: Microhardness mea hōʻike.
4. Ho'āʻo ʻo Brinell Hardness (HBW)
- Ke kumu: E ana i ka paʻakikī o ka mea kumu.
- Kaulike: Brinell paakiki (HBW).
- Kaʻina hana:
- Hoʻokomo ʻia kahi pōpō tungsten carbide i loko o ka mea ma lalo o kahi ukana kikoʻī.
- Ua ana ʻia ke anawaena o ka indentation a hoʻololi ʻia i ka paʻakikī.
- Nā noi:
- He kūpono no ke ana ʻana i ka paʻakikī kumu (30–40 HRC like).
- Mea lako: ʻO ka mea hōʻike paʻakikī Brinell.
Ka manawa hoʻouna: Feb-04-2025



