Ukwelashwa kokushisa kwama-fasteners|Ukuhlolwa kwe-hydrogen emflittlement

Ngokungeziwe ekuhlolweni kwekhwalithi ejwayelekile nokulawula, kukhona nokuhlolwa kwekhwalithi ekhethekile kanye nokulawula ukwelashwa kokushisa kwama-fasteners. Manje ake sixoxe ngokuhlolwa kwe-hydrogen emfyudlement emaphethelweni amaningana okulawula ukwelashwa okushisa.

Ukwelashwa okushisa kwama-fasteners kungabenza babe namandla athile, ubuhle bemithombo, ukuqina, njll. Ukuze basetshenziswe kangcono ngenkathi benciphisa ukuphumula kanye nokucacisa ikhwalithi kanye nokwethenjwa kwama-fasteners.

1. Ukulungiselela ama-specimens:Ukuze uhlole ukufezekiswa kwe-hydrogen, amasampula adinga ukuthathwa embhedeni -. Ukukhethwa kwalawa masampula kufanele kube ngummeleli wezinto ezibonakalayo zawo wonke ama-batch, kungaba ngesampula engahleliwe noma njengoba kuchaziwe ngelinto ethile.

2. Ukuhlekisa:Ngaphambi kokwenza ukuhlola kwe-hydrogen emflittlement, isampula ingadinga ukubhekana nokuhlekisa ukuqinisekisa ukunemba kwemiphumela yokuhlolwa. Lokhu kungafaka ukuhlanza nokususa ukungcola komhlaba ukuze kuqinisekiswe ukuthi ingaphezulu le-specimen lihlanzekile.

3. Izindlela zokutholwa kwe-Hydrogen Embrittlement:Kunezindlela ezimbalwa ezijwayelekile ezisetshenziselwa ukuthola i-hydrogen emflittlement, kufaka phakathi:

Isivivinyo Sokubuyisa Esincane:I-specimen ilayishwe ezingeni elithile lokushisa egumbini lokushisa lasekamelweni bese ilayishwa ngezinga elihamba kancane ukuze libona ukuthi ukwephulwa kwenzeka yini. Izinto zokwenziwa ze-Hydrogen Embrittlement zithambekele ekuqhekekeni ngamanani aphansi.

Ukuhlolwa kweBarcol Hardness:Ngokusebenzisa umthwalo wesampula bese ulinganisa ubunzima, qaphela ukuthi ngabe kukhona amanani alukhuni angajwayelekile. I-Hydrogen Embrittlement ivame ukuphumela ekukhuleni okungajwayelekile kobulukhuni.

Ukuhlolwa kokuhambisa i-Hydrogen:Gxila isampula nge-acidium ephakathi bese ubona ukuthi igesi ye-hydrogen ikhishwa. Izinto zokwenziwa ze-Hydrogen Embrittlement zikhipha igesi ye-hydrogen ezindaweni ezine-acid.

4. Inkomba ejwayelekile:Ukuqinisekisa ukuthembeka kokuhlolwa, kunconywa ukusebenzisa amazinga aphesheya noma kazwelonke njengesethenjwa sokuhlolwa kwe-hydrogen eMbrittlement. Lezi zindinganiso zifaka izindlela ezithile zokuhlola, izimo zokuhlola, kanye nokuhunyushwa kwemiphumela ukusiza ukuqinisekisa ukuhlolwa okungaguquki.

5. Izenzo zokulungisa:Uma inkinga ye-hydrogen embritlement iyatholakala, kufanele kuthathwe izinyathelo zokulungisa ezifanele. Lokhu kungafaka ukuhlela kabusha inqubo yokwelashwa kokushisa, ukuguqula ukwakhiwa kwezinto ezibonakalayo, kusetshenziswa imibandela yenqubo ehlukene, njll. Ukuqinisekisa ukuthi ama-fasteners wesikhathi esizayo awathinteki nge-hydrogen emflittlement.

Ukususwa ku-hydrogen emflittlement kukhuphuka ngamandla we-fastener.Kwangaphandle okuhlanganisiwe kwe-fasteners yebanga le-10,9 nangaphezulu noma ngaphezulu kwe- - Ukushaya izikulufa eziqinile Ukwelashwa kokususa i-Hydrogen kuvame ukwenziwa kuhhavini noma esithandweni somlilo futhi kugcinwe ngo-190 ~ 230℃isikhathi esingaphezu kwamahora ama-4 ukuvumela i-hydrogen ukuba isebenzise. Ama-fasteners ahlanganisiwe angaqiniswa esimweni esikhethekile kuze kube yilapho isikulufa sinqunywe ukungezwani okwanele ukuqinisekisa ukucindezelwa, futhi kubanjelwe amahora angama-48. I-fastener efakwe intambo ngeke ihlukane ngemuva kokukhulula.

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