Paʻa Paʻa Paʻa: Pehea e koho ai i ke kila pololei?

I ka mining, kūkulu hoʻi, hana ana i ka hana automoki, mahiai, ikaika, a me nā mīkini kaumaha nui, ʻAʻole ʻae ʻia ke kila e hana i hoʻokahi hana.

Pono e halihali i ka ukana, hoʻopili i ka hopena, ola i ka launa pinepine, pale aku i ka erosion particle, a mālama i ke kūpaʻa dimensional i nā pōʻai lawelawe lōʻihi.

Ma ia mau kaiapuni, E kāʻei i ke kū'ē ʻaʻole ia he hiʻohiʻona lua. He mea koʻikoʻi ka hoʻokele waiwai a me ka ʻenekinia.

ʻOi aku ka hana o ka mea kila ma mua o ka hāʻule mua ʻana.

Hoʻonui ia i ke kumukūʻai mālama, hoʻopōkole i ka manawa hana, hoʻokiʻekiʻe i ka noi no nā ʻāpana ʻāpana, a lilo pinepine i kumu huna e nalowale ai ka laina hana a i ʻole ka mīkini.

ʻO ia ke kumu i lilo ai ke kila ʻaʻahu i hoʻokahi o nā ʻāpana waiwai koʻikoʻi i ka ʻenehana ʻenehana.

ʻAʻole ia he huaʻōlelo kūʻai paʻakikī. He waiwai waiwai i hoʻohālikelike ʻia e ke kemika, hālulu, moloka, paʻakikī, ʻO ka mālama wela, a me ka ʻenekinia ili.

1. He aha ke ʻano o ka pale ʻana i ke kila

ʻO ke kūpale ʻaʻahu kila ka hiki i ke kila ke kū i ka poho waiwai, poino ili, a i ʻole ka hoʻohaʻahaʻa hana i hoʻokumu ʻia e ka hakakā, hoʻopihaʻia, hopena, pili hoʻoheheʻe, kaʻe ʻeleʻele, a i ʻole ka hoʻouka ʻana i nā kemika-mechanical

ʻO kahi mea me ke kūpaʻa ʻaʻahu kiʻekiʻe:

• e lilo me ka lohi,
• hoʻopaʻa i ka geometry ʻili i ka lōʻihi,
• pale aku i ka ʻuʻuku ʻana a me ka ʻāwīwī,
• hoʻopaneʻe i ka hoʻomaka ʻana,
• a mālama pono, moe, a i ʻole ka hana ʻana i ka ukana i ka manawa.

No laila he waiwai ʻōnaehana ʻo Wear resistance, ʻaʻole wale he helu paʻakikī. Hiki i ke kila ke paʻakikī akā maikaʻi ʻole ke hana inā he palupalu.

Hiki ke paʻakikī loa kekahi kila akā e komo wikiwiki inā palupalu ka ʻili.

ʻO ka hana ʻaʻahu maikaʻi loa mai ke kaulike kūpono o hālulu, paʻakikī, hana paakiki, a me ka microstructural paʻa

ʻO nā kumu nui e hoʻomalu i ke kūpaʻa ʻaʻahu

2. ʻEono mau ʻano ʻaʻahu ʻoihana maʻamau o nā mīkini kila a me nā hana hāʻule

ʻAʻole hoʻokahi kaʻina hoʻoheheʻe friction i ke kapa kila ʻoihana.

E like me nā ʻano koʻikoʻi like ʻole, media hana, a me na ano hemahema, ua māhele ʻia i ʻeono mau ʻano hoʻohālikelike maʻamau.

ʻO ka ʻike pololei ʻana i nā ʻano lole ke kumu o ke koho ʻana i ke kila pale a me ka hoʻokele hemahema.

ʻAʻahu Abrasive

ʻO ka lole abrasive ka mea maʻamau o ka lole ʻoihana (helu ana no ka oi 60% nā hemahema pili i ka ʻaʻahu i ka ʻeli ʻana a me ke kūkulu ʻana), ma muli o ke kuʻi ʻana o nā ʻāpana paʻa paʻa, lihuns, a oki i ka ili kila.

ʻO nā ʻāpana paʻakikī e like me ka ʻiliʻili oka, Sand, a me nā ʻōpala metala e hoʻopuka i nā hopena ʻoki micro mau i nā mea kila, e alakaʻi ana i ka ʻili ʻana o ka ʻili a me ka nalowale o ka mānoanoa.

Loaʻa ia i nā liner crusher, ʻokiʻana i nā hana hana, mea wili mining, a me nā ʻāpana mīkini ʻenehana.

ʻElua sub-type:

• Haʻahaʻa-stress abrasion: ʻO nā ʻāpana a paheʻe paha me ke koʻikoʻi compressive haʻahaʻa (E.g., nā kāʻei lawe).
• ʻO ka abrasion kiʻekiʻe: Paʻi ʻia nā ʻāpana ma waena o nā ʻili, ke kumu o ka ʻeha nui ʻana (E.g., mea wili poepoe).

ʻAʻahu Hoʻopili (Galling)

Hoʻokomo ʻia ka ʻaʻahu i ka wā e hoʻoheheʻe ʻia ai ʻelua mau papa ma lalo o ke kaomi kiʻekiʻe e hana i ka wiliwili kūloko a me ka hoʻoili waiwai ma muli o ka wela nui a me ka hoʻopili ʻana i ka ʻili..

Wehe ʻia nā wahi micro-welded i ka neʻe ʻana mau, ka hopena o ka ʻili ʻana o ka ʻili, spalling mea, a me ka hāʻule ʻana o nā ʻāpana.

Loaʻa kēia ʻano i nā ʻōnaehana piston cylinder engine, nā hoʻoili uila, a me nā ʻili hoʻokau kaumaha nui.

Nā papahana pale: E hoʻohana i nā mea like ʻole (E.g., ke kila i ka hao), hoʻopili i nā lubricants paʻa (Mos ohn, mooki), a mālama i ka lubrication kūpono e pale ai i ka haki ʻana o ka palena-lubrication.

ʻAʻahu Erosive

Hoʻokomo ʻia ka ʻaʻahu erosive e ka ʻāpana kiʻekiʻe a i ʻole ka hopena wai.

kinoea holo kiʻekiʻe, wai, a i ʻole ka pāpaʻi huikau paʻa e hoʻomau mau ana i ka ʻili kila, ka hoʻoulu ʻana i ka luhi a me ka micro-ablation.

He mea koʻikoʻi kēia i nā ʻāpana turbine aerospace, paipu mining, pā pā, a me nā lako lawe wai e hana ana ma lalo o nā kūlana kiʻekiʻe.

Nā hōʻailona kī:

• Mākele ke: Ka emi ʻana o ka ∝ (ka wikiwiki)^n, kahi n = 2‑3 no nā metala ductile.
• ʻĀneʻe hopena: Loaʻa ka hili ʻana ma 20‑40° no nā mea ductile (nā pāpale) a kokoke i 90° no nā mea palupalu (Nā Kūlana).

Ka lole luhi

Ma lalo o nā ukana hoʻololi lōʻihi, haʻalulu pōʻaiapuni, a me nā hopena kaumaha, Hoʻopuka mālie nā māwae liʻiliʻi i loko a ma luna o ka ʻili kila.

Me ka hoolaha mau ana, ka ʻili ʻana o ka ʻili a me ka hāʻule ʻole o ka hana.

ʻO kēia ʻano ʻaʻahu ka mea nui ma nā hale kila alahaka, nā kumu hoʻoili mechanical, nā mea lawe, a me nā mea hana i hoʻoili ʻia i ka cyclic loading.

Parane ʻenekinia koʻikoʻi: 'Ōlelo palena luhi (palena hoʻomanawanui) hōʻike i ka amplitude koʻikoʻi loa ma lalo e hiki ai i ke kila ke ola i nā pōʻai palena ʻole me ka pau ʻole o ka luhi..

No ka nui o na kila hiki ole ke komo, ʻO kēia ma kahi o 40-60% o ka ikaika tensile hope loa.

ʻAʻahu Luhi Pilikino

ʻOkoʻa mai ka lole luhi maʻemaʻe, ʻO kēia ʻano hana mai ka ʻāwili maloʻo a me ka neʻe pānaʻi.

ʻO ke kuʻekuʻe pōʻaiapuni lōʻihi e hoʻopuka i ke koʻikoʻi o ka ʻili, ka hoʻoulu ʻana i nā micro-cracks paʻapū a me ka nalo waiwai.

He mea maʻamau ia i nā lau mīkini mahiʻai, nā mīkini hoʻoili ʻoihana, a me nā hui kuʻi mechanical me ka neʻe pānaʻi pinepine.

ʻAʻahu ʻino

ʻO kēia ke ʻano hana hemahema e hui pū ana i ka corrosion kemika a me ka lole mechanical.

Loaʻa ka ʻili kila i ka oxidation, ʻaʻaʻa-base corrosion, a me ka hoʻoheheʻe ʻana i ka electrochemical ma lalo o ka media corrosive, ka hana ʻana i nā papa ʻinoʻino.

Hoʻopau koke ʻia kēia mau ʻāpana ʻino ʻino e ka ʻāʻī mechanical, e hōʻike ana i ka matrix kila hou i ka ʻinoʻino mau a me ka ʻauʻau ʻana.

ʻO nā hiʻohiʻona maʻamau ka pahu mālama kemika, paipu wai corrosive, a me nā hale kila o ke kai.

ʻO ka hopena synergy: ʻO ka pōʻino hui o ka corrosion a me ka ʻaʻahu pinepine ʻoi aku ka nui ma mua o ka huina o nā hopena pākahi.

Hoʻonāwaliwali ka hoʻouka kaua ʻana i ka ʻili, hoʻopale ʻaʻahu, ʻoiai ʻo ka ʻaʻahu e hōʻike hou ana, metala pale ʻole, hoʻokē ʻino.

Hiki ke kiʻekiʻe kēia kumu synergy e like me 3‑10 × i nā kaiapuni koʻikoʻi.

3. ʻEono Pōmaikaʻi Kūleʻa o ke Kiʻekiʻe-Wear-Resistant Steel

Ua lilo ke kila kila ki'eki'e i mea waiwai nui no ka hana 'oihana hou, me nā pono hana holoʻokoʻa e hoʻoponopono pololei i nā wahi ʻeha like ʻole o ka ʻaʻahu ʻana o nā mea hana ʻenehana:

4. ʻEkolu mau ala ʻenehana no ka hoʻomaikaʻi ʻana i ka pale ʻana i ka hao

No ka hoʻonui ʻana i ka pale ʻana o ke kila maʻamau a hoʻokō i nā koi o nā kūlana hana ʻoihana koʻikoʻi, ʻO ka ʻoihana hana ʻoihana ʻoihana ʻekolu mau ʻōnaehana hoʻomaʻamaʻa ʻenehana mai ke kumu waiwai, hale o loko, a me ka pale ʻana i ka ʻili.

ʻO ka hoʻonui ʻia ʻana o ka hui ʻana i nā mea hana kemika

E hoʻonui i ka maʻiʻo kalapona kumu e kaulike i ka paʻakikī a me ka paʻakikī; hoʻohui i ka quantitative chromium, Mybrideum, ʻO ka vanadium a me nā mea hoʻohui ʻē aʻe e hana i nā carbide alloy kiʻekiʻe,

e hoʻomaʻemaʻe i ke ʻano o ka palaoa kila, hoʻopau i nā haumia o loko, a hoʻopilikino i ke kila kila kila kūikawā no ka abrasive, hopena a i ʻole nā ​​hiʻohiʻona ʻaʻahu corrosive.

ʻO ka hoʻoikaikaʻana i ka wela wela

Hoʻohana i nā kaʻina hana lapaʻau ʻepekema me ke kinai ʻana, huhū, ka laweʻana a me ka nitriding.

Hoʻoikaika ʻo Gradient i ka paʻakikī o ka ʻili o nā mea kila me ka mālama ʻana i ka paʻakikī kiʻekiʻe o ka matrix kūloko,

ka ʻike ʻana i ka hoʻohālikelike kūpono o ka ʻili paʻa no ka pale ʻana a me ke kumu paʻakikī no ka pale ʻana i ka hopena, a me ka hoʻomaikaʻi nui ʻana i ka hana anti-wear a me ka anti-fatigue.

ʻenehana pale pale ʻili

E hoʻohana i nā ʻenehana hoʻololi ʻili kino a me ke kemika e like me ka uhi ʻana, hoʻopāpā wela, galvanizing a me ka passivation.

Hoʻokumu ʻia kahi ʻāpana pale paʻa ma ka ʻili kila e hoʻokaʻawale i nā ʻāpana friction waho, ʻo ka media corrosive a me ke kaiapuni oxidative,

ka pale ʻana i ka hoʻopili pololei ma waena o ka matrix kila a me nā kumu abrasion, a me ka hoʻonui nui ʻana i ke ola lawelawe o nā ʻāpana.

5. Nā ʻano kila a me nā kumu waiwai

Hoʻohanaʻia nāʻohana kila likeʻole ma muli o ke kūlana lawelawe.

6. Nā Kūlana Hoʻohana ʻOihana ʻāpana piha o ke kila pale ʻaʻahu

Me kāna hana piha maikaʻi loa, Ua lilo ke kila pale ʻaʻahu i mea waiwai nui no ka lawe ʻana i nā kī a me nā ʻāpana pale ʻaʻahu ma kahi kokoke i nā māla ʻoihana kaumaha.:

ʻO ka mining a me ka hana mineral

• nā mea paʻipaʻi,
• nā kākoʻo media wili,
• nā papa ʻaina,
• nā laina hopper,
• nā bākeke excavator,
• a me na mea hana nana.

Kūkulu a me ka hoʻoneʻe ʻāina

• nā bākeke hoʻoili,
• nā pahi bulldozer,
• ʻaʻahu nā kihi,
• ʻoki ʻāpana,
• a me nā ʻāpana hana i ʻike ʻia i ka ʻōpala.

Kaʻa a me ka lawe ʻana

• Kauluhi,
• nā mea hoʻokele,
• ʻāpana pili kaʻa,
• kalaka kino lole lole papahele,
• a me nā ʻāpana mechanical haʻahaʻa kiʻekiʻe.

Mahiai

• palau palau,
• nā mea ʻohi,
• mea hana mahiai,
• mea kanu hua,
• a hoʻohana i nā ʻāpana i ka pili lepo.

Ka ikehu a me ka hana kemika

• Poolali,
• Nā Vilves,
• Pumps,
• slurry-handling system,
• a me nā ʻāpana wela kiʻekiʻe kahi e noho pū ai ka lole a me ka corrosion.

Hana kaumaha

• alakai,
• nā leo,
• make,
• Nā Mea Mola,
• a me nā mea mīkini i ka hana mau.

7. Wear Resistance vs. Ikaika: He Hooko Ko'iko'i

ʻO kekahi o nā hewa maʻamau i ke koho ʻana i nā mea waiwai, ʻo ia ka manaʻo ʻana he kila ikaika ke kila kila.

Ma ka hana ʻenekinia, pili ia mau waiwai elua, aka, aole like lakou.

ʻO ka ikaika a me ka ʻaʻahu he mau pilikia hemahema

Ikaika ʻo ia ka hiki o ke kila ke kūʻē i ka deformation mau a i ʻole ka haʻihaʻi ʻana ma lalo o ka ukana i hoʻopili ʻia.

He waiwai mechanical nui. Ke kamaʻilio ka poʻe ʻenekini e pili ana i ka ikaika tensile, ka ikaika, ikaika ikaika, a i ʻole ka ikaika luhi, ke wehewehe nei lākou i ka hana ʻana o ka mea ma ke ʻano he lālā kūkulu.

E kāʻei i ke kū'ē, Ma ka hoʻohālikelike, he waiwai hana ili. Hōʻike ia i ka maikaʻi o ka pale ʻana o ka mea i ka nalowale ʻana o ka ʻili ma muli o ke kuʻekuʻe, hoʻopihaʻia, inainaahoi, hopena, a i ʻole ka ʻeli ʻana.

Hiki i kahi ʻāpana ke loaʻa ka ikaika maikaʻi loa a hiki ke ʻaʻahu koke inā palupalu loa kona ʻili, ʻaʻole hoʻokō, a maikaʻi ʻole paha i ke kaiapuni pili.

He mea koʻikoʻi kēlā ʻokoʻa no ka mea he nui nā mea ʻenehana i hāʻule mua ma ka ʻili, ʻaʻole ma ka hāʻule nui.

ʻAʻole hōʻoia ka ikaika kiʻekiʻe i ke ola lōʻihi

ʻAʻole ʻokoʻa ke kila ikaika kiʻekiʻe ke koho maikaʻi loa no ka lawelawe ʻaʻahu.

Inā ikaika ke kila akā ʻaʻole lawa ka paʻakikī ma ka ʻili, hiki ke deform ma ka ʻāina, ʻōpū, ʻūlū, a i ʻole e lilo koke nā mea ma lalo o ka hoʻopili pinepine ʻana.

I nā'ōlelo'ē aʻe, hiki i kahi ʻāpana ke kani i ka hana ʻoiai e nalowale ana ka hana ma muli o ka pōʻino o ka ʻili.

He mea nui kēia i loko:

• sliding contact system,
• ʻO nā wahi abrasive,
• hoʻopili i nā noi luhi,
• a me nā mīkini ʻino.

He mea maikaʻi paha ke kila me ka ikaika tensile kiʻekiʻe no ka lawe ʻana i ka ukana, akā inā ʻaʻole i hana ʻia ka ʻili no ka ʻaʻahu, hiki i ka ʻāpana ke hāʻule i ka wā mua o ka lawelawe.

Pono pinepine ka paʻakikī o ka ʻaʻahu, ʻaʻole lawa ka paʻakikī wale nō

ʻO ka paʻakikī kekahi o nā mea ikaika loa e hoʻohana i ke kūpaʻa, ʻoi aku ka nui o nā kūlana abrasive a indentation-dominant.

ʻO kahi ʻili paʻakikī ke kūʻē i ka ʻoki ʻana, lihuns, a ʻoi aku ka maikaʻi o ke komo ʻana.

Akā naʻe,, inā ʻoi loa ka paʻakikī me ka ʻole o ka paʻakikī, hiki i ke kila ke lilo i palupalu a hāʻule ma ka māhā, Chipopa, a i ʻole spalling.

ʻO ia ke kumu e hui pinepine ai nā kila kila maikaʻi loa:

• he ili paakiki,
• ʻoi aku ka paʻakikī o loko,
• a me kahi microstructure paʻa.

ʻAʻole ka paʻakikī kiʻekiʻe ka pahuhopu i kahi kaʻawale. ʻO ka pahuhopu ka mālama ʻana i ka lōʻihi o ka ʻili me ka ʻole o ka hoʻolalelale ʻana i ka pono.

8. ʻO ka wā e hiki mai ana i ka ʻenehana pale lole kila

Nano-ikaika-ikaika-ikaika hao

ʻO ka Nanoscale precipitates (E.g., TIC, VC, NbC) hoʻomaʻemaʻe ʻia i 2-5 nm hāʻawi paʻakikī kiʻekiʻe loa me ka nalowale o ka ductility.

Loaʻa kēia mau kila i ka paʻakikī >600 HV i ka mālama ʻana i nā waiwai hopena Charpy >30 J, e hōʻike ana i kahi holomua koʻikoʻi i ka hoʻopaʻapaʻa paʻakikī.

Na kila aahu mama

ʻO nā kila ikaika ikaika kiʻekiʻe e pale i ka ʻaʻahu me ka haʻahaʻa haʻahaʻa (ma o ka hoʻohui alumini) hāʻawi i ka mālama kaumaha o 10-20%, ka hoʻomaikaʻi ʻana i ka pono wahie a me ka maʻalahi o ka hana ʻana i nā lako kelepona.

Na kila aahu-pale pono'ī

Nā kila i hoʻopaʻa ʻia i ka ʻili me nā lubricants paʻa i hoʻokomo ʻia (Mos ohn, mooki) e ho'ēmi i ka hoʻoemi ʻana mai ka 0.6-0.8 (kila kila ʻaʻole lubricated) i ka 0.1-0.2, e hōʻemi nui ana i ka ʻaʻahu a me ka ʻeha.

Nānā Kūlana akamai

Hiki i nā mea ʻike hoʻohui ʻia i hoʻokomo ʻia i loko o nā ʻāpana pale lole ka nānā ʻana i ka ʻaʻahu manawa maoli, wānana i ke koena o ke ola lawelawe a me ka hoʻonohonoho ʻana i ka mālama ʻana me ka wikiwiki—e hōʻemi ana i ka manawa hoʻomaha i hoʻolālā ʻole ʻia a hiki i 50%.

9. Hopena

ʻO ke kūpale ʻaʻahu kila kahi hōʻailona hana nui e hoʻoholo ai i ke ola lawelawe, kūpaʻa hana, a me ka pono waiwai piha o na lako hana.

Hoʻokomo ʻia nā ʻano hana ʻenehana like ʻole i mua i nā koi hana ʻokoʻa no ka paʻakikī kila, paʻakikī, ikaika, a me ke kū'ēʻana.

ʻO ke kila kila maikaʻi loa e ʻike i ke kūʻē pololei ʻana i nā pōʻino mechanical a me nā kemika ma o ka hoʻohui ʻana i ka alloy optimized., lapaʻau wela maʻamau, a me ka ʻenehana pale ili.

Ma ka hana ʻoihana, ʻO ke koho ʻepekema a me ka hoʻonui ʻia ʻana o ke kūpaʻa aahu kila hiki ke hōʻemi pono i ka pinepine o ka mālama ʻana i nā lako, pale i nā poho pani hana ma muli o ka hemahema o nā mea hana, a hoʻokō i ka hoʻemi kumu kūʻai no ka wā lōʻihi a me ka hoʻomaikaʻi maikaʻi.

Me ka hoʻomau mau ʻana o ka hana ʻenehana i ka pololei kiʻekiʻe, 'Oiʻa nui, a me ka hana lōʻihi, e hoʻolaha nui ʻia a hoʻohana ʻia ke kila pale lole, e hāʻawi ana i kumu waiwai paʻa no ka hoʻomohala kiʻekiʻe o nā ʻōnaehana ʻoihana hou.

FaqS

He aha ke kūpale aahu kila?

ʻO ia ka hiki o ke kila ke pale aku i ka poho waiwai a me ka pōʻino o ka ʻili i hana ʻia e ka friction, hoʻopihaʻia, oluation, hopena, a i ʻole hoʻouka kaua.

ʻO ke kila kuhiliʻole he kila pale ʻaʻahu?

Hoʻohana maikaʻi ʻia kekahi mau māka kuhili, akā, koho nui ʻia ke kila kila no ka pale ʻana i ka corrosion.

No ke aha he mea koʻikoʻi ke kūpale ʻaʻahu i ka ʻoihana?

No ka mea, hoʻohaʻahaʻa ia i ke alapine hoʻololi, hoemi iho la, a hoʻomaikaʻi i nā lako hana.

He aha ke kila maikaʻi loa no nā mīkini?

ʻO ke kila hoʻopaʻa paʻa paʻa pinepine he koho ikaika loa ia no ka mea e hui pū ʻia kahi ʻili lole paʻa me kahi kumu paʻakikī.

Hiki i nā pale ke hoʻomaikaʻi i ka pale ʻana i ke kila?

ʻAe. Kālā, nitriding, carpurize, a hiki i nā lāʻau lapaʻau ʻē aʻe ke hoʻomaikaʻi nui i ke ola o ka ʻaʻahu.