Tauri a wurin da ke kusa da walda zai iya taimakawa wajen tantance gaɓoɓin walda, ta haka zai taimaka maka sanin ko walda ɗin yana da ƙarfin da ake buƙata, don haka hanyar gwada taurin walƙiya ta Vickers hanya ce da ke taimakawa tantance ingancin walda.
Shandong Shancai /Laizhou Laihua Gwajin Kayan Aikin Gwaji na Kamfanin Vickers na'urar gwajin taurin zai iya yin gwajin taurin akan sassan walda ko wuraren walda.Lokacin gwada taurin wurin walda, za a yi ma'auni masu yawa a wani tazara daga gefen samfurin ko saman wurin walda.Bayan samun madaidaicin maki mai yawa, ana iya auna ƙimar taurin ta ci gaba da aunawa kuma ana iya samun jadawali mai lanƙwasa.
Lokacin amfani da ma'aunin taurin Vickers don gwada sassa masu walda, ya kamata a lura da yanayin gwajin masu zuwa:
1. Lalacewar samfurin: Kafin gwaji, muna niƙa walda don gwadawa don sanya samansa ya zama santsi, babu oxide Layer, fasa da sauran lahani.
2. A kan tsakiyar layi na walda, ɗauki batu a kan lanƙwasa saman kowane 100 mm don gwaji.
3. Zaɓin rundunonin gwaji daban-daban zai haifar da sakamako daban-daban, don haka dole ne mu zaɓi ƙarfin gwajin da ya dace kafin gwaji.
Mai gwadawa na microhardness yana da buƙatu don ƙare saman samfurin da aka gwada, wanda ke buƙatar shirya a hankali bisa ga samfurin ƙarfe.
Ka'idar gwajin microhardness a cikin hanyar gwajin microhardness daidai yake da taurin Vickers, amma nauyin da aka yi amfani da shi ya fi ƙanƙanta fiye da ƙarancin ɗorawa Vickers, yawanci ƙasa da 1000g, kuma sakamakon shigar shine kawai 'yan microns zuwa kaɗan biyu. microns, don haka gwajin microhardness yana ba da hanya mai dacewa don nazarin kaddarorin microstructure na Layer mai lalacewa.Ana amfani da shi sosai don sanin taurin kowane lokaci akan saman da kuma a cikin raƙuman raɗaɗi.
Alamar microhardness yawanci ana bayyana ta HV, kuma ƙayyadaddun ƙayyadaddun ƙa'idarsa da hanyarsa sun yi kama da hanyar taurin Vickers.Tsarin lodawa, tsarin aunawa da madaidaicin madaidaicin mai gwadawa na microhardness sun fi buƙatu fiye da na majinin taurin Vickers mai ƙarancin kaya.A halin yanzu, microhardness tester ana amfani dashi sosai a cikin ƙananan kayan aiki na bakin ciki, kuma saboda haɓakawa na iya kaiwa sau 400, galibi ana amfani dashi azaman microscope mai sauƙi na ƙarfe.
A cikin aiwatar da amfani, ya kamata a mai da hankali ga lodi, micrometer da indenenter na gwajin microhardness, wanda yakamata a bincika kafin amfani da shi, kuma ana amfani da toshe taurin don tantance ƙimar sa.
Mai gwadawa na microhardness yana amfani da kaya a cikin aikin gwaji a matsayin santsi da uniform kamar yadda zai yiwu, ba tare da tasiri da rawar jiki ba.Domin tabbatar da daidaiton sakamakon gwajin, yawanci ya zama dole a auna sau da yawa a sassa daban-daban, da kuma nemo matsakaicin ƙimar don wakiltar ƙimar taurin ma'aunin gwajin ƙyalli ko lokacin alloy.Don shigar da Layer ɗin da aka yi amfani da shi a yanayin zafi mai girma, ana iya auna taurinsa ta amfani da ma'aunin zafin jiki mai ƙarfi.
Lokacin aikawa: Afrilu-10-2024
