Kev tshawb fawb ntawm Flow Dynamics ntawm kev lag luamTitanium alloys tuav Tau qhia tias tus cwj pwm ntws hlau sib txawv sib txawv heev hauv qhov ntsuas qhov ntsuas kub sib raug zoo sib xws rau cov alloys sib txawv. Yog li ntawd, ib qho ntawm cov ntsiab lus tseem ceeb cuam tshuam cov yam ntxwv zoo ntawm cov pas nrig titanium thiab titanium alloy pas ntsuas kub, uas txiav txim cov hlau theem hloov pauv xeev.
Compared to extrusion at temperatures in the P-phase region, the metal flow in the -phase or P-phase region is more uniform. Qhov no ua rau nws tsis yooj yim kom ua tiav qhov chaw siab zoo hauv cov khoom lag luam. Txog tam sim no, qhov extrusion ntawm titanium alloy tuav tau xav siv cov roj nplua nyeem. Qhov laj thawj tseem ceeb yog qhov ntsuas kub ntawm 980℃thiab 1030 degree, titanium sau e6}}} Raws li cov neeg tuag.
Titanium qwss muaj tsawg thermal conductivity, ua rau muaj qhov sib txawv loj ntawm qhov chaw thiab sab hauv thaum lub sij hawm kub extrusion. Thaum cov extrusion barrel kub yog 400 degree, qhov kub qhov sib txawv tuaj yeem ncav cuag 200-250 degree. Qhov kev sib xyaw ua ke ntawm kev nce ntxiv thiab cov khoom siv hluav taws xob ntau rau sab nraud, uas tuaj yeem yog qhov chaw sib txawv thiab cov khoom sib tsoo hauv cov khoom extruded. Lub kub extrusion txheej txheem rau titanium rods thiab titanium alloy pas nrig yog ntau dua li qhov ntawd rau lawv cov khoom siv lub cev thiab tshuaj lom neeg.
Qhov tseem ceeb tshaj plaws cuam tshuam hlau ntws thaum extrusion yog:
(1) Extrusion txoj kev. Cov hlau ntws ntawm rov qab extrusion yog ntau yam tsis zoo tshaj li qhov tsis zoo tshaj qhov uas tsis yog- lubricated extrusion. Tus yam ntxwv ntawm extrusion txoj kev ua tiav los ntawm kev hloov pauv kev sib txhuam.
(2) Extrusion Ceev. Raws li cov extrusion ceev nce, qhov tsis sib xws ntawm cov hlau ntws nce.
(3) Extrusion Kub. Thaum qhov ntsuas kub ntxiv rau kev nce siab thiab qhov deformation tiv thaiv ntawm lub billet txo, qhov tsis xwm yeem ntws ntawm cov hlau nce. Thaum lub sij hawm ua cov txheej txheem extrusion, yog tias lub cua sov kub ntawm extrusion barrel thiab qhov kub me dhau lawm, qhov kub ntawm txheej yog loj, thiab qhov tsis sib luag ntawm cov hlau ntws nce. Qhov zoo dua cov thermal conductivity ntawm cov hlau, ntau yam kev faib tawm qhov kub thiab txias ntawm lub ntsej muag kawg.
(4) lub zog hlau. Thaum lwm cov xwm txheej zoo ib yam, cov hlau muaj zog, cov khoom siv ntau dua cov hlau ntws.
(5) Lub kaum ntse ntse tuag. Qhov loj dua lub kaum sab xis (piv txwv li, lub kaum sab xis ntawm kev tuag kawg ntsej muag thiab nruab nrab axis), qhov ntau tsis sib xws ntawm cov hlau ntws. Thaum siv multi {{5 5}}} kawg tuag rau extrusion, cov tuag qhov yog npaj tsim nyog thiab cov hlau ntws nyhav yuav hnav khaub ncaws.
(6) deformation degregation. Yog tias qib ntawm deformation yog loj heev lossis dhau me me, cov hlau ntws tsis sib xws.
Xaiv Baoji Reliab hlau rau koj cov khoom lag luam Titanium.
Yog tias koj tab tom nrhiav rau titanium cov ntaub ntawv xws li Titanium daim hlau, tuav, xaim thiab titanium reliab hlau yog koj ib - nres muag khoom. Peb muab cov khoom lag luam zoo rau cov khoom lag luam zoo nrog cov khoom xa tuaj sai, thiab 24 {{{}} kev muag khoom thiab cov kev pabcuam tom qab muag.
Tiv tauj peb raws li cov ntaub ntawv hauv qab no:
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