1. E hoʻohana i ka mea hōʻike paʻakikī Vickers o nā ʻāpana i hoʻopaʻa ʻia (Weld Vickers hardness test).
No ka mea, e loli ana ka microstructure o ka ʻāpana hui o ka weldment (weld seam) i ka wā o ka wili ʻana i ka wā o ke kaʻina hana, hiki ke hana i kahi loulou nāwaliwali i ka hale welded.Hiki i ka paʻakikī o ka welding ke hōʻike pololei inā he kūpono ke kaʻina hana.A laila ʻo ka paʻakikī ʻo Vickers ʻO ke ʻano o ka nānā ʻana he ala e kōkua ai i ka loiloi i ka maikaʻi o nā welds.Hiki i ka Vickers hardness tester o Laizhou Laihua Hardness Tester Factory ke hana i ka ho'āʻo paʻakikī ma nā ʻāpana welded a i ʻole nā wahi wili.Ke hoʻohana nei i ka Vickers hardness tester e hoʻāʻo i nā ʻāpana welded, pono e hoʻomaopopo ʻia nā kūlana hoʻāʻo aʻe:
ʻO ka palahalaha o ka laʻana: Ma mua o ka hoʻāʻo ʻana, wili mākou i ka weld e hoʻāʻo ʻia e hoʻomaʻamaʻa i kona ʻili, me ka ʻole o ka papa oxide, nā māwae a me nā hemahema ʻē aʻe.
Ma ka laina waena o ka weld, e lawe i kahi kiko ma ka ʻili curved i kēlā me kēia 100 mm no ka hoʻāʻo ʻana.
ʻO ke koho ʻana i nā pūʻali hoʻāʻo like ʻole e hopena i nā hopena like ʻole, no laila pono mākou e koho i ka ikaika hoʻāʻo kūpono ma mua o ka hoʻāʻo ʻana.
2. Pehea e hoʻohana ai iā Vickers hardness tester (micro Vickers hardness tester) e ʻike i ka hohonu o ka papa paʻakikī?
Pehea e ʻike ai i ka hohonu o ka papa paʻakikī o nā ʻāpana kila me ka mālama ʻana i ka ʻili e like me ka carburizing, nitriding, decarburization, carbonitriding, etc., a me nā ʻāpana kila i hoʻopau ʻia?
Hoʻohana nui ʻia ka hohonu o ka papa paʻakikī i ka wela o ka ʻāina e hoʻololi i ka hana a me ka hoʻololi ʻana i ka ʻili o ke kila e hoʻokō i ka hopena o ka hoʻonui ʻana i ka paʻakikī a me ka ikaika a me ka paʻakikī.E pili ana i ke ana mai ke kuhikuhi pololei o ka ʻāpana ʻāpana i ka palena microstructure i kuhikuhi ʻia.A i ʻole ka mamao o ka papa paʻakikī o ka microhardness i kuhikuhi ʻia.Hoʻohana maʻamau mākou i ke ʻano paʻakikī gradient o ka Vickers hardness tester e ʻike i ka hohonu o ka papa paʻakikī o ka mea hana.ʻO ke kumu o ka ʻike ʻana i ka hohonu o ka papa paʻakikī e pili ana i ka hoʻololi ʻana i ka paʻakikī micro-Vickers mai ka ʻili a i ke kikowaena o ka ʻāpana.
No nā ʻano hana kikoʻī, e ʻoluʻolu e nānā i kā mākou hui Vickers hardness tester wikiō hana.Eia ka hoʻolauna hana maʻalahi:
E hoʻomākaukau i ka hāpana e like me ka mea e pono ai, a pono e poni ʻia ka ʻili hoʻāʻo i kahi aniani.
E koho i ka ikaika ho'āʻo o ka Vickers hardness tester.Ana ʻia ka gradient paʻakikī ma nā wahi ʻelua a ʻoi aku paha.Ua ana ʻia ka paʻakikī o Vickers ma hoʻokahi a ʻoi aʻe paha laina like e kū pono ana i ka ʻili.
Ke kahakiʻi ʻana i kahi ʻāpana paʻakikī ma muli o ka ʻikepili i ana ʻia, hiki ke ʻike ʻia ʻo ka mamao kū pololei mai ka ʻili o ka ʻāpana a hiki i 550HV (maʻamau) ʻo ia ka hohonu o ka papa paʻakikī.
3. Pehea e hoʻohana ai iā Vickers hardness tester no ka hoʻāʻo ʻana i ka paʻakikī haʻihaʻi (ke ʻano hoʻāʻo paʻakikī ʻo Vickers hardness testing method)?
ʻO ka paʻakikī haʻihaʻi ka waiwai kūʻē i hōʻike ʻia e ka mea i ka wā i haki ai ka mea hōʻailona a i ʻole nā mea ʻāpana ma lalo o nā kūlana paʻa ʻole e like me nā māwae a i ʻole nā pōʻino like me ka māwae.
ʻO ka paʻakikī haʻihaʻi e hōʻike ana i ka hiki o kahi mea ke pale i ka hoʻolaha ʻana o ka māwae a he hōʻailona nui o ka paʻakikī o kahi mea.
I ka hana ʻana i ka hoʻāʻo ʻana i ka paʻakikī o ka haʻihaʻi, hoʻomaʻamaʻa mua i ka ʻili o ka hāpana hoʻāʻo i kahi aniani.Ma ka Vickers hardness tester, e hoʻohana i ka conical diamond indenter o ka Vickers hardness tester e hana i ka indentation ma luna o ka ʻili i poni ʻia me ka ukana o 10Kg.Hana ʻia nā māwae i hana mua ʻia ma nā piko ʻehā o ka māka.Hoʻohana maʻamau mākou i kahi hōʻike paʻakikī Vickers e kiʻi i ka ʻikepili paʻakikī haʻihaʻi.
Ka manawa hoʻouna: Apr-25-2024
