Ke wehe nei i ka pono o ke aniani borosilicate

aniani borosilicatehe ʻano mea aniani me ka boron kiʻekiʻe, i hōʻike ʻia e nā huahana like ʻole mai nā mea hana like ʻole.Ma waena o lākou, ʻo Schott Glass's Borofloat33® kahi aniani silica kiʻekiʻe-borate kaulana, me ka 80% silicon dioxide a me 13% boron oxide.Ma waho aʻe o Schott's Borofloat33®, aia kekahi mau mea aniani i loko o ka boron ma ka mākeke, e like me Corning's Pyrex (7740), Eagle series, Duran®, AF32, etc.

Ma muli o nā ʻokikene metala like ʻole,aniani silica-borate kiʻekiʻehiki ke hoʻokaʻawale ʻia i ʻelua ʻāpana: alkali-containing high-borate silica (eg, Pyrex, Borofloat33®, Supremax®, Duran®) a me alkali-free high-borate silica (me ka Eagle series, AF32).E like me nā coefficients like ʻole o ka hoʻonui wela, hiki ke hoʻokaʻawale ʻia ke aniani silica kiʻekiʻe-borate i loko o ʻekolu mau ʻano: 2.6, 3.3, a me 4.0.I waena o lākou, ʻo ke aniani me kahi koena hoʻonui wela o 2.6 he haʻahaʻa haʻahaʻa a ʻoi aku ka maikaʻi o ka pale ʻana i ka mahana, e kūpono ana ia ma ke ʻano he ʻāpana no kaaniani borosilicate.Ma ka ʻaoʻao ʻē aʻe, hoʻohana nui ʻia ke aniani me kahi koena hoʻonui wela o 4.0 no nā noi pale ahi a loaʻa nā waiwai pale ahi maikaʻi ma hope o ka paʻakikī.ʻO ke ʻano maʻamau i hoʻohana ʻia ʻo ia ka mea me kahi koena hoʻonui wela o 3.3.

ʻĀpana 3.3 Aniani Borosilicate Aniani Lime Soda
Maʻiʻo Silicon 80% a ʻoi aku paha 70%
Lae Strain 520 ℃ 280 ℃
Lae Aina 560 ℃ 500 ℃
Lae Palupalu 820 ℃ 580 ℃
Hōʻike Hōʻike 1.47 1.5
ʻAlohilohi (2mm) 92% 90%
Elastic Modulus 76 KNmm^-2 72 KNmm^-2
Kaumaha-Optical Coefficient 2.99*10^-7 cm^2/kgf 2.44*10^-7 knm^2/kgf
Ka Mahana Hana (104dpas) 1220 ℃ 680 ℃
Huina Hoʻonui Linear (20-300 ℃) (3.3-3.5) ×10^-6 K^-1 (7.69.0) ×10^-6 K^-1
Māmā (20 ℃) 2.23 g•cm^-3 2.51 g•cm^-3
ʻO ka hoʻoili wela 1.256 W/(m•K) 0.963 W/(m•K)
Palekana wai (ISO 719) Papa 1 Papa 2
Palekana ʻAka (ISO 195) Papa 1 Papa 2
Palekana Alkali (ISO 695) Papa 2 Papa 2

I ka hōʻuluʻulu manaʻo, hoʻohālikelike ʻia me ke aniani lime soda,aniani borolikaʻoi aku ka maikaʻi o ke kūpaʻa wela, ka paʻa kemika, ka hoʻouna māmā, a me nā waiwai uila.ʻO ka hopena, loaʻa iā ia nā pōmaikaʻi e like me ke kū'ē ʻana i ka erosion kemika, ka haʻalulu wela, ka hana mechanical maikaʻi loa, nā wela hana kiʻekiʻe, a me ka paʻakikī kiʻekiʻe.No laila, ua ʻike ʻia ʻo iaaniani pale wela, aniani hoʻohāhā pale wela, aniani kūʻokoʻa kiʻekiʻe, a hoʻohana mau ʻia ma ke ʻano he aniani pale ahi kūikawā.Hoʻohana nui ia i nā ʻoihana e like me ka ikehu o ka lā, kemika, ka lāʻau lapaʻau, optoelectronics, a me nā mea hoʻonaninani.