Domin bakin karfekarfe forgingsana amfani da su sau da yawa a cikin maɓalli na injin, don haka ingancin ciki na bakin cikikarfe forgingsyana da matukar muhimmanci. Saboda ingancin ciki na bakin cikikarfe forgingsba za a iya gwada ta hanyar ilhama ba, don haka ana amfani da hanyoyin bincike na musamman na zahiri da na sinadarai don gwadawa.

Na farko, da inji Properties na forgings
The inji Properties naƙirƙiraan ƙaddara bisa ga buƙatun samfur. Hanyoyin gwaji sun kasu kashi uku cikin gwajin tauri, gwajin jinkiri, gwajin tasiri da gwajin gajiya.
1. Gwajin taurin
Taurin shine juriya na nakasawa na saman abu, ma'auni ne wanda ke auna kayan ƙarfe mai taushi. Tauri da sauran kaddarorin inji suna da ƙayyadaddun alaƙa na ciki, don haka ana iya ƙididdige sauran kaddarorin kayan aikin ta ƙimar taurin. Gwajin taurin baya buƙatar shirya samfurori na musamman, kuma ba zai lalata samfurin ba, don haka gwajin taurin shine mafi yawan amfani da shi wajen samar da hanyar gwajin kadarorin inji.
Hanyoyin gwajin taurin da aka saba amfani da su da mabambantan dabi'u sune: Brinell hardness (HB), hardness Rockwell (HRC), Vickers hardness (HV), Shore hardness (HS), da madaidaicin ma'aunin taurin.
2. Gwajin juzu'i
Ta hanyar yin amfani da nauyin nauyin nauyin nau'i na nau'i na nau'i na nau'i na nau'i mai nau'i, ana auna ma'auni mai mahimmanci na elongation, ma'anar yawan amfanin ƙasa, ƙarfin ƙarfi, haɓakawa da raguwa na ɓangaren kayan ƙarfe.
3. Gwajin tasiri
An sami tasirin ƙarfin ƙarfe ta hanyar amfani da pendulum mai sauri don tasiri samfurin tare da daraja.
4. Gwajin gajiya
Ana iya auna iyakacin gajiya da ƙarfin gajiyar ƙarfe bayan maimaita maimaitawa ko maɓalli.
Na biyu, duban jabu mara lalacewa
Ana iya raba gwajin mara lalacewa zuwa gwajin hoto na rediyo, gwajin ultrasonic, gwajin ƙwayar maganadisu, gwajin ganimar gani da gwajin halin yanzu. Ana yawan amfani da ƙirƙira a gwajin ultrasonic da gwajin ƙwayar maganadisu.
1. Ultrasonic dubawa
Ultrasonic kalaman (mita ne kullum mafi girma fiye da 20000Hz) zai yi tunani da kuma refract a kan ke dubawa na daban-daban kayan. Sabili da haka, idan akwai lahani na kayan daban-daban a cikin kayan aiki mai ƙarfi, za a haifar da tunani da attenuation. Ana iya tantance wanzuwar lahani ta siginonin waveform.
Don babba da matsakaiciƙirƙira, Gwajin ultrasonic na ɗaya daga cikin mahimman hanyoyin gwaji marasa lalacewa.
2. Magnetic barbashi dubawa
Ana iya bincika lahani irin su fasa, pores da abubuwan da ba na ƙarfe ba a ciki da kuma kusa da saman ƙirƙira ta hanyar binciken barbashi na maganadisu. Saboda kayan aiki mai sauƙi, aiki mai dacewa da haɓaka mai girma, ana amfani da wannan hanya sau da yawa don gwada ƙananan ƙima da ƙananan ƙididdiga masu girma waɗanda aka samar da yawa.
Uku, ƙarancin ƙarfi da gwajin karaya
Binciken ƙarancin wutar lantarki shine samfurin bayan wani adadin sarrafawa, sannan tare da ido tsirara a cikin 10 ~ 30 sau da yawa gilashin ƙararrawa don duba samfurin, don gano lahani na ƙirjin ƙarfe na ƙarfe. Streamline, dendrite, sako-sako da, naphthalene, karaya dutse da sauran lahani za a iya bincikar ta hanyar yankan wafer samfurori da acid etching. Don gano rarrabuwa, musamman rashin daidaituwa na rarraba sulfide, ana amfani da hanyar buga sulfur.
Hudu, babban iko dubawa
Za a sanya jabun ƙarfe na baƙin ƙarfe a cikin wani samfuri a ƙarƙashin na'urar hangen nesa don bincika ƙirƙira na ciki (ko karaya) akan yanayin ƙungiyar ko lahani. Za'a iya bincika tsarin ciki da rarraba abubuwan haɗin gwiwa ta hanyar yanke samfurin a tsaye. Za'a iya bincika lahani na saman kamar decarburization, m-grained, carburized da taurare yadudduka ta hanyar yanke samfurori masu juyawa.