Apo Graphite i uhi ʻia ʻo TaC

Wehewehe Pōkole:

Ke kālele nei ʻo VET Energy i ka R&D a me ka hana ʻana o nā apo graphite i uhi ʻia e TaC. Ma ka hoʻohana ʻana i ka ʻenehana CVD holomua, e hana ana i ka uhi TaC i ka maʻemaʻe kiʻekiʻe, ka nui o ka mānoanoa a me ka mānoanoa like, hiki iā ia ke pale pono i ka haumia, hiki ke hana paʻa i nā mahana kiʻekiʻe ma mua o 2500 ℃, a he ikaika ka hoʻomanawanui i nā ʻano kinoea like ʻole.

 

 

 


Nā kikoʻī huahana

Nā Lepili Huahana

Ke kālele nei ʻo VET Energy i ka R&D a me ka hana ʻana o nā apo graphite i uhi ʻia me ka tantalum carbide (TaC) CVD hana kiʻekiʻe, a ua kūpaʻa ʻo ia i ka hāʻawi ʻana i nā hopena mea hoʻopau koʻikoʻi no nā ʻoihana semiconductor, photovoltaic a me nā ʻoihana wela kiʻekiʻe. Hoʻokumu kā mākou ʻenehana hoʻokaʻawale vapor chemical (CVD) i hoʻomohala kūʻokoʻa i kahi uhi tantalum carbide mānoanoa a like ma luna o ka ʻili o ka substrate graphite ma o nā kaʻina hana pololei, e hoʻomaikaʻi nui ana i ke kūpaʻa wela kiʻekiʻe o ka huahana (>3000 ℃), ke kūpaʻa i ka corrosion a me ke kūpaʻa i ka haʻalulu wela, e hoʻolōʻihi ana i ke ola lawelawe ma mua o 3 mau manawa, a e hōʻemi ana i nā kumukūʻai piha o nā mea kūʻai aku.

ʻO kā mākou mau pono loea:
1. Ke kūpaʻa ʻana i ka oxidation wela kiʻekiʻe
I loko o ka lewa ea o 1200 ℃, ʻo ka nui o ka loaʻa ʻana o ke kaumaha oxidation he ≤0.05mg/cm²/h, ʻoi aku ia ma mua o 3 mau manawa o ke ola kū'ē oxidation o ka graphite maʻamau, a kūpono ia no nā kūlana pōʻaiapuni hoʻomehana-hoʻoluʻu alapine kiʻekiʻe.
2. Ke kū'ē i ka pala o ka silicon/metala i hoʻoheheʻe ʻia
He mea ʻole loa ka uhi ʻana o TaC i nā metala e like me ka silicon wai (1600 ℃), ka alumini/keleawe heheʻe, a me nā mea ʻē aʻe, e pale ana i ka hāʻule ʻana o ke kūkulu ʻana o nā apo alakaʻi kuʻuna ma muli o ke komo ʻana o ka metala, kūpono loa no nā semiconductors mana a me ka hana ʻana o ka semiconductor hanauna ʻekolu.
3. Ka haumia ʻāpana haʻahaʻa loa
Hoʻokō ke kaʻina hana CVD i kahi mānoanoa uhi o >99.5% a me ka ʻoʻoleʻa o ka ʻili o Ra≤0.2μm, e hōʻemi ana i ka pilikia o ka hoʻokahe ʻana o nā ʻāpana mai ke kumu a hoʻokō i nā koi hoʻomaʻemaʻe koʻikoʻi o ka hana wafer 12-'īniha.
4. Ka mana nui pololei
Me ka hoʻohana ʻana i ka mīkini kikoʻī CNC, ʻo ka nui o ka hoʻomanawanui o ka substrate graphite he ± 0.01mm, a ʻo ka deformation holoʻokoʻa ma hope o ka uhi ʻana he <± 5μm, kahi kūpono no ke kau ʻana i nā keʻena lako kiʻekiʻe.

Uhi ʻana o TaC15
Uhi uhi ʻia ʻo Tantalum carbide TaC no ka semiconductor Kiʻi i hōʻike ʻia

碳化钽涂层物理特性物理特性

Nā waiwai kino o TaC uhi ʻana

密度/ Ka nui o ka paʻa

14.3 (g/cm³)

比辐射率 / Emissivity kikoʻī

0.3

热膨胀系数 / Ka helu hoʻonui wela

6.3 10-6/K

努氏硬度/ Paʻakikī (HK)

2000 HK

电阻 / Kū'ē

1×10-5 ʻOhm*cm

热稳定性 / Paʻa wela

<2500℃

石墨尺寸变化 / Nā loli o ka nui o ke kiʻi graphite

-10~-20um

涂层厚度 / Mānoanoa o ka uhi ʻana

≥30um waiwai maʻamau (35um±10um)

 

Uhi ʻana o TaC
Uhi ʻana o TaC 3
Uhi ʻana o TaC 2

ʻO Ningbo VET Energy Technology Co., Ltd kahi ʻoihana ʻenehana kiʻekiʻe e kālele ana i ka hoʻomohala ʻana a me ka hana ʻana o nā mea holomua kiʻekiʻe, nā mea hana a me nā ʻenehana e pili ana i ka graphite, silicon carbide, keramika, ka mālama ʻili e like me ka SiC coating, TaC coating, glassy carbon coating, pyrolytic carbon coating, etc., ua hoʻohana nui ʻia kēia mau huahana i ka photovoltaic, semiconductor, ikehu hou, metallurgy, etc.

Hele mai kā mākou hui loea mai nā ʻoihana noiʻi kūloko kiʻekiʻe, a ua hoʻomohala i nā ʻenehana i hoʻopaʻa ʻia he nui e hōʻoia i ka hana huahana a me ka maikaʻi, hiki ke hāʻawi i nā mea kūʻai aku me nā hoʻonā mea ʻoihana.

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