Makhalidwe ndi Kugwiritsa Ntchito Titanium Carbide, Silicon Carbide, ndi Cemented Carbide Materials

Mu "chilengedwe chakuthupi" chopanga mafakitale, titanium carbide (TiC), silicon carbide (SiC), ndi carbide ya simenti (yomwe imachokera ku tungsten carbide - cobalt, etc.) ndi "nyenyezi" zitatu zowala. Ndi katundu wawo wapadera, amagwira ntchito zofunika kwambiri m'magawo osiyanasiyana. Lero, tiwona mozama kusiyana kwa zinthu pakati pa zida zitatuzi komanso momwe zimapambana!

I. A Mutu - kwa - Kuyerekeza kwa Mutu wa Zinthu Zakuthupi

Mtundu Wazinthu	Kulimba (Nkhani Yofotokozera)	Kachulukidwe (g/cm³)	Valani Kukaniza	High – Kutentha Kulimbana	Chemical Kukhazikika	Kulimba mtima
Titanium Carbide (TiC)	2800 - 3200HV	4.9 - 5.3	Zabwino kwambiri (zolamulidwa ndi magawo ovuta)	Khola pa ≈1400 ℃	Kugonjetsedwa ndi zidulo ndi alkalis (kupatula amphamvu oxidizing zidulo)	Pang'ono pang'ono (kuwonongeka kumawonekera kwambiri)
Silicon Carbide (SiC)	2500 - 3000HV (za ceramic za SiC)	3.1 - 3.2	Zabwino kwambiri (zolimbikitsidwa ndi covalent bond structure)	Khola pa ≈1600 ℃ (mu boma la ceramic)	Yamphamvu kwambiri (yosamva zambiri zama media)	Zochepa (zowonongeka mu ceramic state; makhiristo amodzi amakhala olimba)
Cemented Carbide (WC - Co mwachitsanzo)	1200 - 1800HV	13 - 15 (ya WC - Co mndandanda)	Zapadera (WC hard phase + Co binder)	≈800 - 1000 ℃ (zimadalira Co zilimo)	Kugonjetsedwa ndi ma asidi, alkalis, ndi kuvala kwa abrasive	Zabwino kwambiri (gawo la Co binder limakulitsa kulimba)

Kuwononga Katundu:

• Titanium Carbide (TiC): Kuuma kwake kuli pafupi ndi diamondi, ndikupangitsa kukhala membala wa banja lapamwamba kwambiri. Kuchulukana kwake kumapangitsa kuti pakhale malo olondola pazida zolondola zomwe zimafuna "kulemera". Komabe, imakhala ndi brittleness yapamwamba ndipo imakonda kugwedezeka, choncho ndiyoyenera kwambiri pazochitika zosasunthika, zotsika - zodula / kuvala - zosagwira. Mwachitsanzo, nthawi zambiri amagwiritsidwa ntchito ngati zokutira pazida. Kupaka kwa TiC ndikwabwino kwambiri - kolimba komanso kuvala - kosasunthika, monga kuyika "zida zodzitchinjiriza" pazitsulo zothamanga kwambiri ndi zida zomata za carbide. Mukadula zitsulo zosapanga dzimbiri ndi zitsulo za aloyi, zimatha kupirira kutentha kwambiri komanso kuchepetsa kuvala, kukulitsa kwambiri moyo wa chida. Mwachitsanzo, pakumatira pomaliza odula mphero, kumathandizira kudula mwachangu komanso kokhazikika.
• Silicon Carbide (SiC): "Wochita bwino kwambiri - kukana kutentha"! Itha kukhalabe yokhazikika pamwamba pa 1600 ℃. M'dera la ceramic, kukhazikika kwake kwamankhwala kumakhala kodabwitsa ndipo sikumafanana ndi ma acid ndi alkalis (kupatula ochepa ngati hydrofluoric acid). Komabe, brittleness ndi nkhani yofala pazinthu za ceramic. Komabe, single - crystal silicon carbide (monga 4H - SiC) yakhala yolimba kwambiri ndipo ikubweranso mu semiconductors ndi zida zapamwamba kwambiri. Mwachitsanzo, zida za ceramic zochokera ku SiC ndi "ophunzira apamwamba" pakati pa zida za ceramic. Amakhala ndi kutentha kwakukulu - kukana kutentha ndi kukhazikika kwa mankhwala. Mukadula ma alloys olimba (monga nickel - alloys) ndi zida zophulika (monga chitsulo chosungunuka), samakonda kumamatira zida ndipo amavala pang'onopang'ono. Komabe, chifukwa cha brittleness, iwo ali oyenerera kwambiri kuti amalize ndi kudula kochepa kosokoneza komanso kulondola kwambiri.
• Simenti Carbide (WC - Co): "Wosewera wapamwamba kwambiri m'munda wodulira"! Kuchokera ku zida za lathe kupita ku CNC mphero odula, kuchokera ku mphero mpaka miyala yobowola, imapezeka paliponse. Carbide yopangidwa ndi simenti yokhala ndi zotsika za Co (monga YG3X) ndiyoyenera kumalizidwa, pomwe yokhala ndi Co zambiri (monga YG8) imakhala ndi kukana bwino ndipo imatha kuthana ndi makina ovuta mosavuta. Magawo olimba a WC ali ndi udindo wovala "kupirira", ndipo Co binder imakhala ngati "glue" kuti igwirizanitse tinthu tating'onoting'ono ta WC, kusunga kuuma komanso kulimba. Ngakhale kukana kwake kwapamwamba - kutentha sikuli kofanana ndi ziwiri zoyamba, ntchito yake yolinganizidwa bwino imapangitsa kuti ikhale yoyenera pazochitika zambiri kuchokera ku kudula mpaka kuvala - zigawo zotsutsana.

II. Magawo Ogwiritsa Ntchito Mwathunthu

1. Kudula Chida Field

• Titanium Carbide (TiC): Nthawi zambiri amakhala ngati zokutira pa zida! Chophimba chapamwamba kwambiri - cholimba komanso chovala - chosagwira ntchito cha TiC chimayika "zida zodzitetezera" pazitsulo zothamanga kwambiri ndi zida za carbide. Mukadula zitsulo zosapanga dzimbiri ndi zitsulo za aloyi, zimatha kupirira kutentha kwambiri komanso kuchepetsa kuvala, kukulitsa kwambiri moyo wa chida. Mwachitsanzo, mu zokutira zomaliza zodula mphero, zimathandizira kudula mwachangu komanso kokhazikika.
• Silicon Carbide (SiC): "Wophunzira wapamwamba" pakati pa zida za ceramic! Zida za ceramic zochokera ku SiC zimakhala ndi kutentha kwakukulu komanso kukhazikika kwa mankhwala. Mukadula ma alloys olimba (monga nickel - alloys) ndi zida zophulika (monga chitsulo chosungunuka), samakonda kumamatira zida ndipo amavala pang'onopang'ono. Komabe, chifukwa cha brittleness, iwo ali oyenerera kwambiri kuti amalize ndi kudula kochepa kosokoneza komanso kulondola kwambiri.
• Simenti Carbide (WC - Co): "Wosewera wapamwamba kwambiri m'munda wodulira"! Kuchokera ku zida za lathe kupita ku CNC mphero odula, kuchokera ku mphero mpaka miyala yobowola, imapezeka paliponse. Carbide yopangidwa ndi simenti yokhala ndi zotsika za Co (monga YG3X) ndiyoyenera kumalizidwa, pomwe yokhala ndi Co zambiri (monga YG8) imakhala ndi kukana bwino ndipo imatha kuthana ndi makina ovuta mosavuta.

2. Valani - Resistant Component Field

• Titanium Carbide (TiC): Amagwira ntchito ngati "wopambana - wosamva" mu zisankho zolondola! Mwachitsanzo, mu nkhungu zazitsulo za ufa, pamene mukukankhira ufa wachitsulo, zoyika za TiC zimavala - zosagwira ntchito komanso zimakhala zolondola kwambiri, kuonetsetsa kuti mbali zopanikizidwa zili ndi miyeso yolondola ndi malo abwino, ndipo sizimakonda "kusokonekera" pakupanga kwakukulu.
• Silicon Carbide (SiC): Wopatsidwa "ma buffs awiri" okana kuvala komanso kukana kutentha kwambiri! Zodzigudubuza ndi mayendedwe apamwamba - ng'anjo za kutentha zopangidwa ndi zitsulo za SiC sizimafewetsa kapena kuvala ngakhale pamwamba pa 1000 ℃. Komanso, nozzles mu zipangizo sandblasting zopangidwa SiC akhoza kupirira zotsatira za mchenga particles, ndipo moyo wawo utumiki ndi yaitali kangapo kuposa wamba zitsulo nozzles.
• Simenti Carbide (WC - Co): "Katswiri wosinthika - wosamva"! Mano a simenti a carbide m'mabowo a mgodi amatha kuphwanya miyala popanda kuwonongeka; odulira simenti a carbide pazida zamakina a chishango amatha kupirira dothi ndi miyala yamchenga, ndipo amatha "kukhalabe odekha" ngakhale atapanga mikwingwirima masauzande ambiri. Ngakhale mawilo a eccentric mu ma vibration motors amafoni amadalira simenti ya carbide kuti asamavale kuti azitha kugwedezeka.

3. Electronics / Semiconductor Field

• Titanium Carbide (TiC): Imawonekera muzinthu zina zamagetsi zomwe zimafuna kutentha - kutentha ndi kukana kuvala kwambiri! Mwachitsanzo, mu ma elekitirodi a machubu a elekitironi apamwamba kwambiri, TiC imakhala ndi kukana kutentha kwambiri, kuyendetsa bwino kwamagetsi, komanso kukana kuvala, zomwe zimapangitsa kuti pakhale ntchito yokhazikika m'malo otentha komanso kuwonetsetsa kuti ma siginecha amagetsi amatumizidwa.
• Silicon Carbide (SiC): "Chatsopano chokondedwa mu semiconductors"! Zida za SiC semiconductor (monga ma module amphamvu a SiC) ali ndi mawonekedwe apamwamba kwambiri, ma frequency, ma voltage, komanso kutentha kwakukulu. Akagwiritsidwa ntchito m'magalimoto amagetsi ndi ma photovoltaic inverters, amatha kupititsa patsogolo bwino komanso kuchepetsa mphamvu. Komanso, zowotcha za SiC ndi "maziko" opangira tchipisi tambiri - pafupipafupi komanso kutentha kwambiri, ndipo akuyembekezeka kwambiri pamasiteshoni a 5G ndi ma avionics.
• Simenti Carbide (WC - Co): "Chida cholondola" pakupanga zamagetsi! Zobowola simenti za carbide pobowola PCB zimatha kukhala zazing'ono ngati 0.1mm ndipo zimatha kubowola ndendende osathyoka mosavuta. Zoyikapo simenti za carbide mu zisankho zoyika chip zimakhala zolondola kwambiri komanso zosavala, kuwonetsetsa kuti zikhomo za chip zili zolondola komanso zokhazikika.

III. Kodi kusankha?

• Kwa kuuma kwakukulu ndi kukana koyenera kuvala→ Sankhani titanium carbide (TiC)! Mwachitsanzo, mu zokutira zolondola za nkhungu ndi zida zapamwamba kwambiri, zimatha "kupirira" kuvala ndikusunga zolondola.
• Chifukwa cha kutentha kwapamwamba, kukhazikika kwa mankhwala, kapena kugwira ntchito pa semiconductors / high - frequency zipangizo→ Sankhani silicon carbide (SiC)! Ndiwofunika kwambiri pazigawo za ng'anjo zapamwamba - kutentha ndi tchipisi tamphamvu za SiC.
• Kuti mugwire bwino ntchito yonse, kuphimba chilichonse kuyambira kudula mpaka kuvala - zosagwira ntchito→ Sankhani carbide yopangidwa ndi simenti (WC - Co)! Ndi "wosewerera wosunthika" wophimba zida, zobowolera, ndi kuvala - zida zosamva.