
Alloys-Resistant Alloys rukuni ne na kayan da aka kera musamman don jure lalata ƙasa da asarar kayan da lalacewa ta inji. Wannan lalacewa na iya haifar da abrasion (scraping), yashewa (tasirin barbashi), mannewa (galling da kamawa), da tasiri.
Babban aikin su shine tsawaita rayuwar sabis na kayan aikin masana'antu, rage raguwar lokaci, da haɓaka ingantaccen aiki a cikin yanayin da ake buƙata.
Kimiyyar Sawa Resistance
Juriya na sawa ba kayan abu ɗaya ba ne kamar yawa; Yana da wani hadadden tsarin hali. Makullin juriyar sa kayan abu ya ta'allaka ne cikin ikonsa na tsayayya da nakasar filastik da karaya. Ana samun wannan da farko ta hanyar:
Babban Tauri: Yana ƙin shiga da ɓarkewar ɓarke da wuya.
Ƙarfafa Aiki: Ƙarfin ƙarfi da ƙarfi a saman lokacin da aka yi tasiri ko damuwa (misali, Hadfield manganese karfe).
Tauri: Yana tsayayya da guntu, fashewa, da zubewa a ƙarƙashin nauyin tasiri.
Karamin tsari: Kasancewar carbide mai wuya (misali, chromium, tungsten, vanadium carbides) da aka saka a cikin matrix na ƙarfe mai tauri abu ne na kowa.
Alloys masu jurewa sawa yawanci suna dogara ne akan ƙarfe na ƙarfe (ƙarfe da ƙarfe) ko ƙarfe mara ƙarfe, kowanne an keɓance shi don ƙayyadaddun hanyoyin lalacewa.
| Alloy Type/Base | Mabuɗin Halaye | Matakan gama gari / Misalai | Aikace-aikace na farko |
| Karfe Martensitic | Babban taurin da ƙarfi mai kyau; samu ta hanyar zafi magani (quenching & tempering). | AR400, AR500, 4140, 4340 | Buckets na hakar ma'adinai, injin daskarewa, ruwan wukake na bulldozer, sa faranti. |
| Austenitic Manganese Karfe | "Hadfield Karfe". Matsakaicin tauri da taurin aiki. Bayan tasiri, taurin samansa yana ƙaruwa sosai yayin da ainihin ya kasance mai tauri. | Darasi A128, MN13, MN18 | Layukan muƙamuƙi na muƙamuƙi, kwaɗin layin dogo, ƙwanƙolin dutse, waƙoƙin rarrafe. |
| Babban-Chromium Farin Cast Iron | Ƙwararren juriya na abrasion saboda babban girma na chromium carbides mai wuya. Zai iya zama gaggautsa a ƙarƙashin tasiri. | Ni-Hard, A532 | Rumbun famfo mai slurry, injin injin niƙa, juzu'i mai juzu'i, kayan fashewar harbi. |
| Abubuwan Haɗin Carbide | Ba monolithic alloy ba, amma abu mai juriya mai mahimmanci. Hard tungsten carbide barbashi saka a cikin wani tauri karfe matrix (kamar cobalt ko nickel). | Tungsten Carbide-Composites, Stellite (tushen Cobalt) | Wayoyi masu taurin kai, sa faranti, kayan aikin yankan, raƙuman ruwa, kujerun bawul. |
| Gilashin Gilashin Cobalt | Kyakkyawan juriya ga haɗuwa da lalacewa, lalata, da yanayin zafi mai girma (ja-taurin). | Stelite, Haynes alloys | Gilashin injin turbin gas, bawul masu zafin jiki, tukwici na gani, abubuwan injin. |
| Alloys na tushen nickel | Kama da cobalt alloys, bayar da kyakkyawan lalacewa da juriya na lalata, galibi ana amfani da su inda cobalt bai dace ba. | Inconel, Colmonoy | Kayan aikin sarrafa sinadarai, abubuwan da ke cikin sararin sama, masu taurin fuska. |
Ba koyaushe ana amfani da waɗannan allunan don yin gabaɗayan abubuwan haɗin gwiwa ba. Yawancin lokaci ana amfani da su ta hanyoyi masu tsada don kare kayan tushe:
Abubuwan da aka Fitar: Bangaren (kamar rumbun famfo) gabaɗaya an jefa shi daga gawa mai jure lalacewa.
Saka Faranti: Sheets na ƙarfe mai tauri (misali, AR400) an kulle su ko kuma an haɗa su a kan filaye masu rauni.
Hardfacing / Cladding: Layer na gawa mai jure lalacewa ana welded ko an haɗa shi akan saman karfen tushe mai rahusa mai ƙarfi. Wannan hanya ce ta gama gari da tattalin arziki.
Ruwan zafi: Ana fesa suturar gami a saman saman don ƙirƙirar Layer mai jurewa lalacewa.
A taƙaice, Alloys-Resistant Wear sune bambance-bambancen da mahimmancin iyali na kayan da ke zama ƙashin bayan masana'antu masu nauyi. Zaɓin kayan haɗin da ya dace ya dogara da ainihin fahimtar tsarin lalacewa (abrasion, tasiri, da dai sauransu), yanayin aiki (ciki har da zazzabi da lalata), da kuma la'akari da tattalin arziki.