Yikuphi okungcono, i-titanium alloy noma insimbi engagqwali?

Umehluko phakathi kwe-titanium ne-titanium alloy kanye insimbi engagqwali

Ubuningi be-titanium ne-titanium alloy yi-4.51 kuphela, encane kunensimbi futhi ingxenye kuphela yesisindo sensimbi, kodwa amandla ayo afana nalawo ensimbi ye-carbon evamile. I-Titanium ingeyensimbi engazinzile ye-thermodynamically, esebenza kakhulu. I-Titanium ingenza ifilimu ye-oxide yemvelo (i-titanium dioxide) ngomoya. Lokhu kunamathela okuqinile, okuqinile, kanye nefilimu ye-oxide oxide evikelayo inquma ukumelana nokugqwala kwe-titanium, ngakho-ke i-titanium inokumelana nokugqwala okuhle kakhulu. Okulandelayo, inokuthungwa okukhanyayo, amandla aqinile aphezulu, kanye nezakhiwo ezinhle zemishini.

Ama-alloys e-Titanium angahlukaniswa abe amaalloyi e-titanium angagqwali, ama-alloy e-titanium esakhiwo angashisi, kanye nama-alloys e-titanium anezinga eliphansi lokushisa ngokuya ngokusetshenziswa kwawo.

1. Ingahlukaniswa nombala. I-Titanium imnyama kancane. Ikhombisa umbala obandayo. Ngicabanga ukuthi kupholile. I-Titanium imnyama kancane kunensimbi. Insimbi imhlophe, uhlobo oluphaphathekile. Imibala emibili isobala kakhulu.

2. Ingase futhi ihlukaniswe ngezindlela zamakhemikhali, okungukuthi, ukucwiliswa nge-nitric acid. I-Titanium ayiphenduli. I insimbi engagqwali izosabela ngokuqinile uma isibekwe phansi. Kunzima ukuhlukanisa umehluko phakathi kwe-titanium ehlanzekile ne-titanium alloy ngokubukeka.

3. I-Titanium ingamaka okumpunga nokumnyama kumathayili e-ceramic, kodwa insimbi engagqwali ngeke.

4. Ukumelana nokugqwala okuhle kwe-titanium: ingxubevange ye-titanium kulula ukwenza ifilimu eliminyene le-oxide elingaphansi kuka-550 ℃, ngakho akulula ukuqhubeka ne-oxidized. Inokumelana nokugqwala okuphezulu emoyeni, emanzini olwandle, kusitimu, namanye ama-acids, ama-alkali, nemidiya ethambile.

5. Amandla amahle okushisa e-titanium: Indawo encibilikayo ye-titanium alloy ingu-1660 ℃, ephakeme kunaleyo yensimbi. Inamandla okushisa aphezulu futhi ingasebenza ngaphansi kuka-550 ℃. Ngesikhathi esifanayo, kubonisa ukuqina okuhle emazingeni okushisa aphansi.

6. Ukucubungula i-Titanium kunzima: ukushisela, i-electroplating, nokwelula okubandayo kunzima kakhulu. Ukushisela kanye ne-electroplating kumele kwenziwe endaweni engenalutho noma egcwele igesi engasebenzi (vacuum ion electroplating)

Ama-alloys e-Titanium asetshenziswa kakhulu emikhakheni ehlukahlukene ngenxa yamandla awo aphezulu, ukumelana nokugqwala okuhle, nokumelana nokushisa okuphezulu.

Ubuningi be-titanium alloy ngokuvamile buba ngu-4.51g/cm3, okungama-60% kuphela wensimbi. Ukuminyana kwe-titanium emsulwa kuseduze naleyo yensimbi evamile. Amanye ama-alloys e-titanium anamandla adlula amandla ezinsimbi eziningi zesakhiwo se-alloy. Ngakho-ke, amandla athile (amandla/ukuminyana) we-titanium alloy aphakeme kakhulu kunezinye izinto zokwakha zensimbi, njengoba kuboniswe kuThebula 7-1. Izingxenye ezinamandla eyunithi ephezulu, ukuqina okuhle, nesisindo esincane singenziwa. Izingxenye zenjini, uhlaka, isikhumba, izinsimbi, kanye nemishini yokumisa endizeni yenziwe nge-titanium alloy.

304 ingeyomhlaba wonke insimbi engagqwali, esetshenziswa kabanzi ukwenza imishini kanye nezingxenye ezidinga ukusebenza kahle okuphelele (ukumelana nokugqwala kanye nokwakheka). Ukuze kugcinwe ukumelana nokugqwala okungokwemvelo kwensimbi engagqwali, insimbi kufanele ibe ne-chromium engaphezu kuka-18% kanye ne-nickel engaphezu kuka-8%.

Ukuminyana kungu-7.93 g/cm3, okubuye kubizwe ngensimbi engagqwali engu-18/8 embonini. Inokumelana nezinga lokushisa eliphezulu okungu-800 ℃, ukusebenza kahle kokucubungula, nokuqina okuphezulu, futhi isetshenziswa kabanzi embonini, embonini yokuhlobisa ifenisha, kanye nemboni yokudla nezokwelapha.

Yiqiniso, i-titanium alloy ingcono kune-304 insimbi engagqwali ngokwamandla aphezulu, ukuminyana okuphansi, nokumelana nokugqwala