Nto Kho Tshuab Ntawm Titanium Thiab Titanium Alloys Los Tiv Thaiv Adhesion

Titanium alloys yog dav siv nyob rau hauv aerospace, tub rog kev lag luam, pej xeem kev lag luam thiab lwm yam kev lag luam vim lawv zoo heev tshwj xeeb lub zog, corrosion kuj, zoo kub kev kawm thiab biocompatibility. Txawm li cas los xij, titanium alloys muaj qhov nyuaj ntawm qhov tawv thiab tsis txaus hnav tsis kam, txwv lawv daim ntawv thov hauv qee qhov chaw tshwj xeeb. Txhawm rau txhim kho cov khoom no, cov kws tshawb fawb tau tsim ntau yam txheej txheem kho saum npoo los txhim kho cov khoom nto ntawm titanium alloys.
1. Nto oxidation
Txhim kho lubricity ntawm qhov chaw ntawm titanium alloys los ntawm kev tsim cov oxidized zaj duab xis, uas txo cov adhesion tshwm sim thaum lub sij hawm kev kos duab.
2. Txheej
- Graphite Emulsion Txheej
Graphite emulsion yog siv ua ntej kub kos duab los muab lubrication nrog rau kev tiv thaiv lub billet nto ntawm oxidation. Cov kev xav tau rau graphite emulsion suav nrog cov ntsiab lus graphite ntawm 20-25%, qhov loj me ntawm 1-3um, thiab kev ua raws li kev ua raws li daim duab kos.
- Ntsev thiab txiv qaub txheej
Ib txheej ntsev-lime lubricating txheej ntawm cov txheej txheem tshwj xeeb xws li 12% Na2SO4, 12% CaO, 0.3% Na3PO4, 0.2% NaCl thiab cov dej seem yog siv, ntxiv los ntawm kev sib xyaw ntawm 75. % xab npum hmoov thiab 25% sulfur hmoov raws li cov khoom siv roj nplua nyeem.

- Kev kho mob fluorophosphate
Tom qab ntxuav lub npoo ntawm cov hlau billet los ntawm kev siv lub cev, cov tshuaj yog dipped los tsim ib qho kev hloov npog zaj duab xis rau ntawm qhov chaw, thiab tom qab ntawd siv cov roj nplua nyeem kom tau txais cov coefficient tsawg ntawm kev sib txhuam thiab siab hnav tsis kam lubrication.
3. Plated hlau zaj duab xis
Cov yeeb yaj kiab hlau xws li tooj liab, chromium, npib tsib xee lossis tin yog plated rau saum npoo ntawm titanium alloy kom txo tau cov hlau ncaj qha thaum lub sij hawm kos duab thiab yog li txo qhov adhesion.
4. Boronizing
Titanium alloy hlau mus rau hauv ib qho kev tov tov uas muaj KFB4, BaCl2, NH4NO3 rhuab mus rau boiling thiab ces muab tso rau hauv, tshem tawm thiab ntxuav thiab qhuav los tsim ib txheej ntawm fluoroborate rau saum npoo ntawm cov hlau. Ib txheej ntawm aluminium disulfide kuj tseem siv rau cov hlau nto ua cov roj nplua nyeem thaum lub caij txias piering.
5. Kev kho tshuaj hloov pauv
Los ntawm kev kho tshuaj hloov pauv hauv cov titanium alloy nto los tsim cov tshuaj lom neeg sib txawv, cov yeeb yaj kiab no tuaj yeem siv los ua cov roj nplua nyeem, adsorption ntawm lubricants, kom cov hlau tom qab ntau qhov kev kos duab ntawm qhov chaw yog du, tsis muaj adhesion thiab skidding. cov cim.
6. Lubricant xaiv
Kev xaiv cov roj nplua nyeem uas tsim nyog, xws li cov hmoov xab npum, cov mis nyuj graphite thiab cov khoom sib tov ntawm xab npum hmoov thiab lwm yam ntaub ntawv, yuav tsum muaj kev ntub dej zoo nrog cov txheej, zoo thermal stability.
7. Laser nto kho
Laser kho tshuab, suav nrog laser cladding, laser nto alloying thiab laser nto hardening, yuav siv tau los txhim kho hnav tsis kam, corrosion kuj thiab hardness los ntawm kev hloov lub microstructure ntawm txheej txheej. Qhov kom zoo dua ntawm kev kho laser yog tias nws tuaj yeem paub qhov kev txhim kho tseem ceeb ntawm cov khoom saum npoo yam tsis hloov cov khoom ntawm titanium alloy matrix.
8. Micro-arc oxidation
Qhov no yog ib qho kev siv tshuab ntawm kev loj hlob ntawm cov yeeb yaj kiab ceramic rau ntawm qhov chaw ntawm titanium alloy, uas tuaj yeem tsim ib txheej ntawm cov yeeb yaj kiab ceramic rau saum npoo ntawm titanium alloy nrog zoo corrosion thiab hnav tsis kam. Lub tshuab micro-arc oxidation yog ntsuab thiab ib puag ncig tus phooj ywg, uas yog nyob rau hauv txoj kab nrog rau txoj kev loj hlob zoo.
9. Ion implantation
Los ntawm kev txhaj tshuaj nitrogen, oxygen, carbon thiab lwm yam khoom rau hauv qhov chaw ntawm titanium alloy, lub hardness thiab hnav tsis kam ntawm qhov chaw tuaj yeem txhim kho. Lub thickness ntawm txheej txheej ion feem ntau yog nyob rau hauv nanometer nplai, uas tuaj yeem txhim kho cov khoom nto ntawm titanium alloy.
10. Thermal Diffusion
Los ntawm diffusing alloying ntsiab rau saum npoo ntawm titanium alloy ntawm qhov kub thiab txias, txheej txheej txheej txheej yog tsim, uas txhim kho cov tawv tawv thiab hnav tsis kam ntawm qhov chaw.