Ni iki kirimo kuzimya:
Kuzimya, byitwa kandi Gukomera ni ugushyushya no gukonjesha icyuma ku muvuduko ukabije ku buryo ubukana bwacyo bwiyongera cyane, haba hejuru cyangwa hose. Mu gihe cyo gukonjesha icyuma gikoresha umwuka, iki gikorwa gikorwa mu itanura rikoresha umwuka aho ubushyuhe bugera kuri 1.300°C bushobora kugerwaho. Uburyo bwo kuzimya buzatandukana ukurikije ibikoresho byatunganyijwe ariko kuzimya gazi hakoreshejwe azote ni byo bikunze kugaragara.
Kenshi na kenshi gukomera bibaho hamwe no kongera gushyushya, gushyushya. Bitewe n'ibikoresho, gukomera byongera ubukana no kudashira cyangwa bigagena ikigereranyo cy'ubukomere n'ubukomere.
Ni iki gitera umujinya:
Gushyushya ni uburyo bwo gutunganya ubushyuhe bukoreshwa ku byuma nk'icyuma cyangwa alloys bishingiye ku cyuma kugira ngo burusheho gukomera binyuze mu kugabanya ubukana, ubusanzwe bujyana no kwiyongera k'ubudahangarwa. Gushyushya ubushyuhe bikunze gukorwa nyuma yo gushyushya icyuma kugeza ku bushyuhe buri munsi y'igihe runaka, hanyuma bikareka gikonja. Icyuma kidashyushye kiba gikomeye cyane ariko akenshi kiba cyoroshye gukoresha. Ibyuma bya karuboni n'ibikoresho bikonje bikunze gushyushya ku bushyuhe buri hasi, mu gihe ibyuma byihuta cyane n'ibikoresho bishyushye bishyushya ku bushyuhe buri hejuru.
Annealing ni iki:
Gufunga mu cyuma gifunze
Gutunganya ubushyuhe bwa Annealing ni inzira aho ibice bishyushya hanyuma bigakonjeshwa buhoro buhoro kugira ngo haboneke imiterere y'igice yoroshye no kunoza imiterere y'ibikoresho kugira ngo birusheho gukorwa neza.
Mu gihe cyo gupfunyika munsi y'umwuka, ibyiza bikurikira bitangwa ugereranije no gupfunyika munsi y'ikirere:
Kwirinda okiside hagati y’udusimba (IGO) no okiside hejuru y’ubutaka kwirinda ahantu hakuwemo karubone, ahantu hadafite karubone, gusukura ahantu hakozwe mu byuma nyuma yo gushyushya, nta gukaraba ibice bikenewe.
Uburyo bwo gutera insinga buzwi cyane ni ubu:
Gutera imbaraga mu kugabanya stress bikorwa ku bushyuhe bwa dogere selisiyusi 650 hagamijwe kugabanya stress imbere mu bice. Izi stress zisigaye ziterwa n'intambwe zabanje gukorwa nko gukata no gukoresha green machining.
Imihangayiko isigaye ishobora gutera uburibwe butari ngombwa mu gihe cyo gutunganya ubushyuhe cyane cyane ku bice bifite inkuta nto. Kubwibyo, ni byiza gukuraho iyi mihangayiko mbere yo gukora "ubuvuzi nyakuri" bwo gutunganya ubushyuhe binyuze mu kuvura imihangayiko.
Gukoresha uburyo bwo kongera gukurura ubukonje (recrystallization annealing) birakenewe nyuma yo gukora ibikorwa byo gukonjesha kugira ngo wongere imiterere y’ibanze.
Igisubizo n'ubusaza ni iki?
Gusaza ni inzira ikoreshwa mu kongera imbaraga binyuze mu gukora ibintu bivanze mu cyuma. Gutunganya umuti ni ugushyushya ifu y’icyuma kugeza ku bushyuhe bukwiye, ukagifata kuri ubwo bushyuhe igihe kirekire kugira ngo kimwe cyangwa byinshi mu bigize umuti binjire mu muti ukomeye hanyuma bigakonjesha vuba bihagije kugira ngo ibi bintu bifatanye mu muti. Uburyo bwo gushyushya imvura bukurikiraho butuma ibi bintu birekurwa mu buryo bugenzurwa haba mu buryo busanzwe (ku bushyuhe bw’icyumba) cyangwa mu buryo bw’ubukorikori (ku bushyuhe bwinshi).
Amatanura yatanzwe kugira ngo avurwe ubushyuhe
Igihe cyo kohereza: Kamena-01-2022