Niobium Carbide NbC | Tantalum Carbide TaC Featured Image

Niobium Carbide NbC |ʻO Tantalum Carbide TaC

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Niobium Carbide NbC,ʻeleʻele ʻulaʻula pauda, me ka sodium chloride ʻano cubic crystal system, ka helu heheʻe 3490°C, kahi e hoʻolapalapa ai 4300°C, ka nui 7.56g/cm³, 'a'ole hiki ke ho'ohehe'e 'ia i loko o ka wai a me ka waika inorganic, akā hiki ke ho'ohehe'e 'ia i loko o ka waika huikau o ka waika hydrofluoric a me ka waikawa nitric.ʻAʻole hiki ke hoʻohana wale ʻia ʻo Niobium Carbide i mea hoʻohui e kāohi ai i ka ulu ʻana o nā kīʻaha alloy e hoʻomaikaʻi i ka cemented carbide crystalline palaoa i ka hana ʻana o ka carbide cemented, akā hana pū kekahi i ke kolu o ka hoʻopuehu ʻana me nā carbide ʻē aʻe koe WC a me Co, hiki ke hoʻomaikaʻi nui. ʻO ka paʻakikī wela, ke kūpaʻa haʻalulu wela, ke kūpaʻa kaomi wela a me ka pale ʻana o ka oxidation o ka carbide cemented.Me nā mea maikaʻi o ka hoʻomaikaʻi ʻana i ka paʻakikī a me ka paʻakikī o ka haʻihaʻi ʻana o ka alloy, hiki ke hoʻohana ʻia e hoʻomākaukau i nā mea hana carbide cemented me ka hana ʻoki maikaʻi.Ma waho aʻe o ka helu hoʻoheheʻe kiʻekiʻe, ka paʻakikī kiʻekiʻe a me ke kūpaʻa kemika, hoʻohana ʻia ʻo NbC ma ke ʻano he mea refractory kiʻekiʻe kiʻekiʻe a me ka mea hoʻoheheʻe ʻia i ka ʻoihana aerospace.

Hāʻawi

Hiki ke hāʻawi ʻia ʻo Niobium Carbide NbC a me Tantalum Carbide TaC ma Western Minmetals (SC) Corporation i ka nui o ka pauka 0.5-500 micron a i ʻole 5-400 mesh a i ʻole e like me ka kikoʻī kikoʻī, pūʻolo o 25kg, 50kg i loko o ka ʻeke plastik me ka pahu hao ma waho.

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Hōʻike ʻenehana

Niobium Carbide

ʻO Tantalum Carbide

Niobium Carbide NbCaʻO Tantalum Carbide TaCma Western Minmetals (SC) Corporation hiki ke hāʻawi ʻia i ka nui o ka pauka 0.5-500 micron a i ʻole 5-400 mesh a i ʻole e like me ka kikoʻī kikoʻī, pūʻolo o 25kg, 50kg i loko o ka ʻeke plastik me ka pahu hao ma waho.

ʻAʻole.	'ikamu		Kūlana Kūlana
1	Nā huahana		Cr₃C₂	NbC	TaC	ʻO TiC	VC	ZrC	HfC
2	Maʻiʻo %	Huina C ≥	12.8	11.1	6.2	19.1	17.7	11.2	6.15
2	Maʻiʻo %	Kākoʻo C ≤	0.3	0.15	0.1	0.3	0.5	0.5	0.3
3	Kemika haumia PCT Max i kēlā me kēia	O	0.7	0.3	0.15	0.5	0.5	0.5	0.5
		N	0.1	0.02	0.02	0.02	0.1	0.05	0.05
		Fe	0.08	0.05	0.05	0.05	0.05	0.05	0.05
		Si	0.04	0.01	0.01	0.02	0.01	0.005	0.005
		Ca	-	0.005	0.01	0.01	0.01	0.05	0.05
		K	0.005	0.005	0.005	0.005	0.005	0.005	0.005
		Na	0.005	0.005	0.005	0.01	0.01	0.005	0.005
		Nb	0.01	-	0.01	0.01	0.01	0.005	0.005
		Al	-	0.005	0.01	-	-	-	-
		S	0.03	-	-	-	-	-	-
4	Nui		0.5-500micron a i ʻole 5-400mesh a i ʻole e like me ke ʻano
5	Hoʻopili		2kgs i loko o ka ʻeke hui me ka pahu hao ma waho, 25kgs upena

ʻO Tantalum Carbide TaC, pauda waihoʻoluʻu ʻeleʻele, ʻano kristal cubic o ke ʻano sodium chloride, paona molekala 192.96, mānoanoa 14.3g/cm³, ka helu heheʻe 3880 ° C, kahi paila 5500 ° C, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai a me nā waikawa inorganic, a hiki ke hoʻoheheʻe i ka hui ʻana o ka waika hydrofluoric a me ka waikawa nitric a decompose.He kuleana koʻikoʻi ka Tantalum Carbide i ka pale ʻana i ka ulu ʻana o ka palaoa a me ka hoʻomaikaʻi ʻana i ka ʻulaʻula ʻulaʻula a me ke kūpaʻa ʻana o ka alloy, e hoʻonui ai i ka pale ʻana o ka oxidation a me ke kūpaʻa corrosion o ka alloy a me ka hoʻomaikaʻi ʻana i ke ʻano o ka alloy.Me ke kūpaʻa kemika kiʻekiʻe a me ke ʻano wela kiʻekiʻe, ʻo TaC kahi mea hoʻohui koʻikoʻi i ka palaoa crystalline maikaʻi o WC no ka ʻoki ʻana i ka mea hana me ka paʻakikī nui e like me ke daimana.Hiki iā ia ke hāʻawi i ke kū'ē nui i ka mahana a hiki i ka 3880 ° C, a loaʻa i nā noi ākea i nā kula e like me nā alloys paʻakikī, nā pahuhopu, nā mea hoʻoheheʻe, nā cermets, nā uila, nā mīkini a me nā ʻoihana mokulele.