Tasirin fa'ida na ƙasa da ba kasafai akan kayan ƙarfe mara ƙarfe ba shine mafi bayyane a cikin gami da magnesium. Ba wai kawai ya ƙunshi nau'ikan nau'ikan alluran Mg-RE ba, har ma suna da tasirin gaske akan Mg-Al, Mg-Zn da sauran tsarin gami. Babban aikinsa shine kamar haka:
1. Tace hatsi
Madaidaicin lygs na ƙasa masu ƙarancin ƙarfi na iya tace hatsi na magnesium da magnesium gami. Na farko shine a tace ɓangarorin tsarin simintin. Tsarin tsarin simintin gyare-gyare na abubuwan da ba kasafai ba na duniya don tace sinadarin magnesium ba aikin kwayoyin halitta bane. Hanyar gyaran hatsi mai kyau na magnesium da magnesium gami da sinofs na abubuwan da ba kasafai ba na duniya shine haɓakar sanyi a ƙarshen kristal. Na biyu shi ne don hana recrystallization da ci gaban hatsi a cikin aikin sarrafa zafi da kuma aikin annealing.
2. Yin tsarki yana narkewa
Abubuwan da ba a sani ba suna da kusanci da ƙaiƙayi fiye da magnesium da oxygen, don haka ana iya ajiye su da Rare Earth oxides waɗanda ke amsawa da Mgo da sauran oxides a cikin narkewa sannan cire oxidizing. Yana amsawa tare da hydrogen da tururin ruwa a cikin narkewa, samarwa ko ƙarancin ƙasa oxides waɗanda suka kai niyya na deoxygenation. Tare kuma za su iya ƙara narke ruwa da rage simintin ƙullewa, ci gaba lafiya.
3. Ƙarfin gami da zafin jiki na ci gaba
Mafi rare duniya abubuwa a magnesium da babban mataki na m solubility, kuma tare da zazzabi drop selyses akwai wani gagarumin canji a cikin mataki na solubility, don haka rare duniya abubuwa ban da m-soluble ƙarfafa, shi ne har yanzu da amfani tsufa ƙarfafa kashi na magnesium gami, wasu rare duniya mahadi da dispersive ƙarfafa.
4. Thermal kwanciyar hankali na ci gaba gami da inji ayyuka
Rare ƙasa abubuwa ne mafi amfani alloying abubuwa na ci-gaba magnesium gami zafi juriya, iya muhimmanci inganta high zafin jiki ƙarfi na Mg gami da high zafin jiki creep juriya, da dalilan da suke da yawa: rare duniya stenome coefficient a magnesium ne kananan, iya rage gudu da recrystallization tsari da ci gaba recrystallization zazzabi, ƙara tsufa sakamako da desoluble lokaci thermal kwanciyar hankali, da rare narke ƙasa fili da kwanciyar hankali, da rare narke ƙasa da kwanciyar hankali. rashin daidaituwa na motsi, kuma yana ci gaba da juriya mai zafi mai zafi.
5. Progressive gami lalata juriya
Domin ana tsarkake narkewar, ana rage illolin baƙin ƙarfe na ƙazanta, da dai sauransu, sannan kuma an inganta juriyar lalata.