JPS5969440A - Aluminosilicate glass containing rare earth metallic oxide - Google Patents
Aluminosilicate glass containing rare earth metallic oxideInfo
- Publication number
- JPS5969440A JPS5969440A JP18049582A JP18049582A JPS5969440A JP S5969440 A JPS5969440 A JP S5969440A JP 18049582 A JP18049582 A JP 18049582A JP 18049582 A JP18049582 A JP 18049582A JP S5969440 A JPS5969440 A JP S5969440A
- Authority
- JP
- Japan
- Prior art keywords
- mol
- glass
- rare earth
- aluminosilicate glass
- metallic oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は希土類酸化物、特番こEu2U、、Tb、07
/2、Ho、0. 、Er20.iたはYb、O,と、
酸化ジルコニウム(Zr02)およびまたは、酸化チタ
ニウム(T10.)を含有する新規な組成からなり、1
550’(”以Fで溶融し得るアルミノけい酸塩ガラス
(こ関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides rare earth oxides, special number Eu2U, Tb, 07
/2, Ho, 0. , Er20. i is Yb, O, and
Consisting of a new composition containing zirconium oxide (Zr02) and/or titanium oxide (T10.), 1
Aluminosilicate glass which can be melted at 550' (F).
シリカ(Sin、)とアルミナ(A7 t Os )か
らなるアルミノけい酸塩ガラスは、耐熱性が高く、機械
的性質も良好であり、また耐食性、耐風化性の優れたガ
ラスである7、しかし、この系のガラスを得るためには
非常をこに温を必要とする1、一般の炭化け(・素光熱
体を使用する電気炉では1550C程度の温度までが限
度であるために、この系カガラヌは一般の電気炉による
溶融法では製造することができない欠点がある。Aluminosilicate glass made of silica (Sin) and alumina (A7tOs) has high heat resistance, good mechanical properties, and excellent corrosion resistance and weathering resistance.7 However, In order to obtain this type of glass, extremely high temperatures are required. has the disadvantage that it cannot be manufactured by a general electric furnace melting method.
一般にアルカリ酸化物、アルカリ上類酸化物を添加1゛
ると、溶融温度が低]・L z ]、 550 ℃程
度の温度で、一般の炭化け(・素光熱体を使用した電気
炉を使用し°(カラスを製造することが可能となる。In general, when an alkali oxide or alkali-superior oxide is added, the melting temperature becomes low], and at a temperature of about 550 °C, a general carbonization process is performed using an electric furnace using a light heating element. (It becomes possible to manufacture crows.
しかし、アルカリ酸化物、アルカリ上類酸化物を含イ〕
させると、;制熱性、機械的性質、副食性及び耐風化性
の諸性質を低下させる問題点が生ずる。However, it contains alkali oxides and super-alkaline oxides]
If this occurs, problems arise in that various properties such as heat control properties, mechanical properties, side corrosion resistance, and weathering resistance are deteriorated.
本発明は前記の問題点のないフルミノけい酸塩カラスで
、フルミノけい酸塩ガラスの特性を置火な(・で、しか
も1550℃程度の温度で溶融して製造し得られ、かつ
アルカリ酸化物、アルカリ上類酸化物を含有しないアル
ミノけい酸塩ガラスを提供するをこある。The present invention is a fluminosilicate glass that does not have the above-mentioned problems, which can be manufactured by melting the fluminosilicate glass at a temperature of about 1550°C without heating, and which has the characteristics of fluminosilicate glass. The present invention provides an aluminosilicate glass that is free of alkali oxides.
本発明者らは先に、アルミノけい酸塩系に、Y、0、ま
たはLa20.Q添加したある組成範囲のものは、15
50℃程度の一般の電気炉を使用してガラスを製造し得
られること、そして、そのガラスは、アルミノけい酸塩
ガラスよりも機械的性質が優れていることを明らかにし
た1、(米国窯業協会誌第61巻第247〜249頁(
1978年))。また回し希土り、0酸化物であるEu
、U、、’l’ b 、U ’/、H,o、O,、E
r20、およびyb、、o、の単独または2柚以F、の
混合物を特定量含有させると、アルカリ酸化物、アルカ
リ上類酸化物を含有させノよいで1550℃の温度で溶
融°1ろIjiJ記の欠点の無いアルミノけ(・酸塩カ
ラスかイ(tられることを究明しqr+な。(b四顧昭
56−156499号)
本発明者らは更に研究の結果、Eu2O,、’+”b、
oン7、no、U、、Er、αおよびyb、o、と共に
ZrO,tsよびあるいはTie、の特定量を含有させ
ると溶M!l!温度を高くすること無く、側代学性、耐
風化性、機械的性質および耐熱性を商められ44)るこ
とを知μし得た。The present inventors previously applied Y, 0, or La20. Q added in a certain composition range is 15
It was revealed that glass can be produced using a general electric furnace at about 50℃, and that the glass has better mechanical properties than aluminosilicate glass1. Association Journal Vol. 61, pp. 247-249 (
(1978)). Also, the rare earth, Eu which is 0 oxide
,U,,'l' b ,U'/,H,o,O,,E
When a specific amount of r20, yb, o, or a mixture of 2 or more F is contained, an alkali oxide or an alkali-superior oxide is melted at a temperature of 1550°C. As a result of further research, the present inventors found that Eu2O,, '+'b ,
When a specific amount of ZrO, ts and/or Tie is included together with on7, no, U, , Er, α and yb, o, the solution M! l! It has been found that lateral properties, weathering resistance, mechanical properties, and heat resistance can be achieved without increasing the temperature44).
例えは、ZrO,およびまたはTie、を希土、知アル
ミノけい酸塩ガラスをこ含有させること番こより、表−
1(こ示した様に機械的強度、化学的耐久性を向上させ
ることができる。For example, from the table below, ZrO and/or Tie can be added to a rare earth, known aluminosilicate glass.
1 (As shown, mechanical strength and chemical durability can be improved.
表−1
ガラスの組成 ビッカース硬度幻 耐アルカI月′
ケ250810、.25A/、O,,25’i’b、0
’/ 840 8.5重量%45Siす、
、25A40..25’l’b、07,4゜5ZrU、
870 5.0重緻%
35sio、、 、25A403.25’l’b20J
15 ’L’r()、900 L、 OKIil
’X)3osio、、25At20..25Tb207
/2、J、5’l″i0..5 ZrO29250,6
i、(j、nk’g璽110(Ig荷車30秒、kg/
mm2*2粉末法(、JIS4#24〜#35]、シュ
)2 N −NaOH水溶液95℃り1℃中での10日
後の7]1琺減少量
この知見に基いて本発明を完成し、た。Table-1 Glass composition Vickers hardness phantom alkali resistance I month'
ke250810,. 25A/, O,, 25'i'b, 0
'/840 8.5% by weight 45Si,
, 25A40. .. 25'l'b, 07,4°5ZrU,
870 5.0 heavy density%
35sio, , 25A403.25'l'b20J
15 'L'r(), 900 L, OKIil
'X)3osio,,25At20. .. 25Tb207
/2, J, 5'l''i0..5 ZrO29250,6
i, (j, nk'g seal 110 (Ig cart 30 seconds, kg/
mm2 * 2 powder method (JIS4 #24 to #35], Shu) 2N-NaOH aqueous solution 7] 10 days after 10 days at 95°C to 1°C Based on this knowledge, the present invention was completed, Ta.
本発明のアルミノけい酸塩ガラスの組成はEu、0.、
Tb2O3,1−1o、(J、、Fr2(J、 i−s
ヨヒyb、o、カラ選ばれた単独または2411+以
十、の混合物0.5・〜27モル%、(ただ腰j!;r
20,1.1′25モル%を超えると溶融できなくなり
、又Yb、0.は2oモル%lど超えると溶融できなく
なるので超えてはいけない。)、ZrO,2−8モ”’
Xr ’! f、: ?!、 Ti(J、 3〜18
モ/L、%、5i(J230〜65モル%、およびAt
、(〕、220〜35モルからなる。The composition of the aluminosilicate glass of the present invention is Eu, 0. ,
Tb2O3,1-1o, (J,, Fr2(J, i-s
Yohi yb, o, 0.5-27 mol% of a selected individual or a mixture of 2411 + or more, (just waist j!; r
If it exceeds 20,1.1'25 mol%, it will not be possible to melt it, and if Yb, 0. If it exceeds 20 mol %l, it will become impossible to melt, so it should not be exceeded. ), ZrO, 2-8mo"'
Xr'! f.: ? ! , Ti(J, 3-18
Mo/L, %, 5i (J230-65 mol%, and At
, (], consisting of 220 to 35 moles.
ω1記各組成の含イj範囲外では1550℃の溶融温度
でガラスは得難い。すなわち、h+u2(J3が05モ
ル%より少ない、と、L tt 203の性質が充分に
発揮されず1550℃の温堺では溶c腺できなくなり、
27モル%を越えると結晶化してしまう。’l”b、(
J’4、Ilo、0.。It is difficult to obtain glass at a melting temperature of 1550° C. outside the range of ω1 for each composition. In other words, if h+u2(J3 is less than 0.05 mol%, the properties of L tt 203 will not be fully exhibited and it will not be possible to form a lytic gland at a temperature of 1550°C,
If it exceeds 27 mol%, it will crystallize. 'l”b, (
J'4, Ilo, 0. .
についても同様である。E r、0 、は0.5モル%
より少ないとEr、0.の性質が充分に発111されず
1550℃の温度で溶融できなくなり、25モル%を超
えると結晶化してしまう。またyb2o、は0.5モル
%より少ないと、yb2o、の性質が充分に発揮されず
1550℃の温度で溶融できなくなり、20モル%を超
えると結晶化してしまう。sio、が3oモル%より少
ないが、あるいは65モル%を超えると1550℃では
ガラス化し難い。またAt20.が2゜モル%より少な
いが、ある(・は35 ′y;モル%し超えると溶&す
(温度が旨くなり、1550’cではカラスし郊い。Z
rO2は耐化学性、面j風化性、耐熱性、および機械的
性γノを高める作用をするものであり、例えはカラスを
使用する際、冷却液体を使用して冷却する心安がある場
合、耐食性を尚め、長期使する上でイ1効である。ぞσ
月71は、2〜8モル%の範囲であることが心動であり
、2モル%より少ないとZrO,の特性を充分に発揮す
ることかできず、8モルンhν超えると結晶化してしま
いガラスが得られない。Tj(、)2は、耐化学1’l
: 、耐食性、耐風化性、耐熱性、機械的性質を高める
作用をするものである力)、3モル%より少ないと、T
ie、の特性を充分をこ発揮することができず18モル
%を超えると結晶化してしまいガラスが得られない。The same applies to E r,0 is 0.5 mol%
Less than Er, 0. properties are not fully developed and cannot be melted at a temperature of 1550°C, and if the content exceeds 25 mol %, crystallization occurs. If yb2o is less than 0.5 mol%, the properties of yb2o will not be fully exhibited and it will not be possible to melt at a temperature of 1550°C, and if it exceeds 20 mol%, it will crystallize. If sio is less than 30 mol% or exceeds 65 mol%, it will be difficult to vitrify at 1550°C. Also At20. Although it is less than 2゜mol%, there is (・ is 35'y; if it exceeds mol%, it will melt (the temperature becomes delicious, and at 1550'c it will melt.Z
rO2 has the effect of increasing chemical resistance, surface weathering resistance, heat resistance, and mechanical properties. It improves corrosion resistance and is effective for long-term use. zoσ
ZrO 71 must be in the range of 2 to 8 mol%, and if it is less than 2 mol%, the characteristics of ZrO cannot be fully demonstrated, and if it exceeds 8 mol%, it will crystallize and the glass will become I can't get it. Tj(,)2 is chemical resistance 1'l
, corrosion resistance, weathering resistance, heat resistance, and mechanical properties), less than 3 mol%, T
If the amount exceeds 18 mol %, crystallization occurs and glass cannot be obtained.
t’til記組成の他に、心安ヲこ応じて、Y、05、
La2O3のII′I−独またはその混合物を29モル
%以−5、Sc、0゜を15モル%以下を含有させ′(
も良い。またTie。In addition to the composition described above, Y, 05,
Contains 29 mol% or more of La2O3 II'I-Germany or a mixture thereof, and 15 mol% or less of Sc, 0°.
Also good. Tie again.
どZrO,どを併せた蛾が23モル%以下になる様にZ
rO,とTie、を併用しても良y−QY、、0.、L
a2O3は、l!:u、O,、Tb、0イ、Ilo、υ
3、Er、O,、yb、o3 が少量である場合(こガ
ラス化を助ける作用をするが、その散力′:29モル%
を超えると結晶化してしまいガラスが得られないので加
える場合には、29モル%以下であることが必要である
1、Sc、0.は耐化学性、耐風化性、耐食性、機械的
性質を高める作用なするものであるが、15モル%を超
えると結晶化してしまいガラスが得られないので加える
場合には、15モル%以−トであることが必要である。ZrO was added so that the total amount of moths was less than 23 mol%.
It is also possible to use rO, and Tie together, y-QY, 0. , L
a2O3 is l! : u, O,, Tb, 0i, Ilo, υ
3. When Er, O,, yb, o3 are in small amounts (this acts to assist vitrification, but its dispersion power': 29 mol%
If it exceeds 1, Sc, 0. has the effect of increasing chemical resistance, weathering resistance, corrosion resistance, and mechanical properties, but if it exceeds 15 mol %, it will crystallize and no glass will be obtained, so when adding it, it should not exceed 15 mol %. It is necessary that the
’]”i02とZrO,を併用した場合、ともに耐化学
性、耐風化性、耐食性、耐熱性、機械的性質を高める効
果を発揮するが、その合計量が23モル%を超えると結
晶化してしまい1550℃ではガラスが得られないので
加える場合番こは、Tie、とZr(J2の合計量を2
3モル%以下にする必決がある。']"When i02 and ZrO are used together, they both exhibit the effect of increasing chemical resistance, weathering resistance, corrosion resistance, heat resistance, and mechanical properties, but if the total amount exceeds 23 mol%, crystallization occurs. Finally, glass cannot be obtained at 1550°C, so when adding Tie, and Zr (total amount of J2 to 2
It is imperative that the content be 3 mol% or less.
これらのアルミノけい酸塩ガラスの中で、Eu、03、
b r、αを含むものは耐熱性、111jj風化性、耐
食性の品強度の可視域ルミイ・ッセンスカラヌとしC1
Tb、0%、Ro20.、を含むものは耐熱性、耐風化
性の畠強度で大きな負のベルデ定数(分・Cn1−’・
Qe−’ )を有する光磁性ガラスとして、Yb20.
を含むものは、耐熱性、銅ノ虱化性の尚強度で正のベル
デ定数を有する光磁性ガラスまたは赤外線ルミイ・ッセ
ンヌガラスとして利用する番こ適したものである。Among these aluminosilicate glasses, Eu, 03,
Items containing b r and α are heat resistant, 111jj weathering and corrosion resistant products with strength visible range Lumii Sense Calanu C1
Tb, 0%, Ro20. , has a large negative Verdet constant (min・Cn1-'・
Yb20.
Glasses containing the above are suitable for use as photomagnetic glasses or infrared Lumii-Senne glasses, which are heat resistant, copper oxidation resistant, strong, and have a positive Verdet constant.
以上のように本発明のアルミノけい酸塩ガラスは、アル
ミノけい酸塩ガラスの特性をそのまま保有しながら、痒
カカの電気炉を使・用して容易をこガラスを製造し得ら
れる優れた効果を有するものである。As described above, the aluminosilicate glass of the present invention retains the properties of aluminosilicate glass, and has excellent effects that can be easily produced using an electric furnace. It has the following.
実施例1
精製された光学用酸洗い珪砂45.0モル%、合1.O
s 25.0 モル%、’l’b、0% 25.0 モ
/L/%、Zro。Example 1 Purified optical pickling silica sand 45.0 mol%, total 1. O
s 25.0 mol%, 'l'b, 0% 25.0 mol/L/%, Zro.
べ、0モル%を混合し、この混合物を白金るつぼ瘉こ入
れ、電気炉中で約1550’Cで3時間溶融しその後ア
ルミニウム板上に流し出し放冷して無色透明な泡の無い
カラスが得られた。得られたガラスは、850℃でも変
形せずどッヵーノ硬度は870 kgf /’+ηm2
であり、又粉末法1にょるた。This mixture was put into a platinum crucible and melted at about 1550'C for 3 hours in an electric furnace, and then poured onto an aluminum plate and allowed to cool to form a colorless and transparent bubble-free glass. Obtained. The resulting glass did not deform even at 850°C and had a Doccano hardness of 870 kgf/'+ηm2
And also powder method 1.
1表−1に記載
実施例2
精製された光学用酸洗い珪砂44.0モル%、hlxO
x 28.0 モル%、Eu、0. t o、 Oモt
v%、YbtOs 10.0モル%、Zr028.0−
e ル%を混合し、該混合物を実施例1と同様にして、
カッ色の透明で泡の無いガラスが得られた。得られたガ
ラスは850℃でも変形せず、ビッカース硬溶液中での
10日間の重量減少が4.1重置%であった、。Listed in Table 1 Example 2 Purified optical pickling silica sand 44.0 mol%, hlxO
x 28.0 mol%, Eu, 0. t o, Omot
v%, YbtOs 10.0 mol%, Zr028.0-
and the mixture was prepared in the same manner as in Example 1.
A dark brown transparent glass without bubbles was obtained. The obtained glass did not deform even at 850° C., and the weight loss after 10 days in Vickers hard solution was 4.1% by weight.
実施例3
精製された光学用酸洗い珪砂32.0モル%、At、0
328.0 モ/L/%、Tb、O′/225.0 モ
)L’%、Tj0215.0モル%を混合し、該混合物
を実施例1と同様にして緑色の透明で泡の無いガラスが
得られた。得られたガラスは850℃でも変形せす、ビ
ッカース硬度は900 kgf / mm’であっ2N
−拘子王本俗液甲での10H間の7g、 hi’、簸り
量が、1.0重量%であった。Example 3 Purified optical pickling silica sand 32.0 mol%, At, 0
328.0 mo/L/%, Tb, O'/225.0 mo) L'%, Tj0215.0 mole% and the mixture was prepared in the same manner as in Example 1 to form a green transparent bubble-free glass. was gotten. The resulting glass deforms even at 850°C, and has a Vickers hardness of 900 kgf/mm' and 2N.
- The amount of 7g, hi', and gluing amount for 10 hours with Kyoshio Honzoku Liquid A was 1.0% by weight.
実施例4
精製された光学用酸洗い珪砂40.0モル%、Atto
、25. Oモ/L/%、Tb、0’/、20. Oモ
/L/%、Er2U、 5.0 モル%、TiO210
,0モル%混合L、該混合物を実施例1と同様Gこして
緑色の透明で泡の無いガラスが得られた。得られたガラ
スは850℃でも変形せず、ビッカーヌ硬度は880日
間の重L′r(tl、Ii、少量は、2.8重量%であ
った。Example 4 Purified optical grade pickled silica sand 40.0 mol%, Atto
, 25. Omo/L/%, Tb, 0'/, 20. Omo/L/%, Er2U, 5.0 mol%, TiO210
, 0 mol % mixture L, and the mixture was strained in the same manner as in Example 1 to obtain a green transparent glass without bubbles. The resulting glass did not deform even at 850° C., and its Viccane hardness after 880 days was 2.8% by weight.
実施例5
精製された光学用酸洗い珪砂30.0モル%、At20
.25 F1モル%、Tb、07/225.0モル%、
Ti(J、 ]、 5.0 モ/l/%、ZrO,s、
0モル%を混合し、該混合物を実施例1と同様にして
緑色の透明で泡の無いガラスが得られた。得られたガラ
スは850℃でも変形せず、ビ、カーヌ硬度は925〃
ソ 1王は、 ソ b L: U) z1’J
I’JnQ−4″1−$ 71j ((47r
J’r 、z、 p)10日間の重置減少鼠が、0.6
重量%であった。Example 5 Purified optical pickling silica sand 30.0 mol%, At20
.. 25 F1 mol%, Tb, 07/225.0 mol%,
Ti(J, ], 5.0 mo/l/%, ZrO,s,
0 mol % was mixed and the mixture was treated in the same manner as in Example 1 to obtain a green transparent glass without bubbles. The resulting glass did not deform even at 850°C, and had a bicarbonate hardness of 925.
So 1st king is So b L: U) z1'J
I'JnQ-4''1-$71j ((47r
J'r, z, p) 10-day superposition reduction mouse is 0.6
% by weight.
実施例6
精製された光学用酸洗い珪砂36.0モル%、At2U
330.0モル%、Y、0.L L、0モル%、5c2
0.。Example 6 Purified optical pickling silica sand 36.0 mol%, At2U
330.0 mol%, Y, 0. L L, 0 mol%, 5c2
0. .
11.0モル%、Tie、 5.0 モル%、ZrO,
3,Q モ/l/%、Yb20.4.0モル%を混合し
、該混合物を実施例1と同様にして緑色の透明で泡の無
いガラスが得られた。得られたガラスは850℃でも重
量減少量が、1.5重ht%であった。11.0 mol%, Tie, 5.0 mol%, ZrO,
3,Q mo/l/% and Yb20.4.0 mole% were mixed and the mixture was treated in the same manner as in Example 1 to obtain a green transparent glass without bubbles. The weight loss of the obtained glass was 1.5% by weight even at 850°C.
実施例7
精製された光学用酸洗い珪砂44.0モル%、At、0
35.0モル%、La2O35,0モ)v%、TiO2
5,0モル%、Zr0,2.0モル%を混合し、該混合
物を実施例1と同様をこして緑色の透明で泡の無いガラ
スが得られた。得られたガラスは850 ℃で間の重辰
が、1.8重量%であった。Example 7 Purified optical pickling silica sand 44.0 mol%, At, 0
35.0 mol%, La2O35.0mol%, TiO2
5.0 mol% of Zr and 0.2.0 mol% of Zr were mixed, and the mixture was filtered in the same manner as in Example 1 to obtain a green transparent glass without bubbles. The resulting glass had an average content of 1.8% by weight at 850°C.
Claims (1)
0. 、Yb20.がら選はれた単独または2挿具1−
1の混合物0.5〜27モル%(ただし、Er2O3は
25モル%を超えてはならなし・。又、Y’b20.は
20モル%を超えてはならない。) 、Z ro、 2
・−8モ)’%、Sin、30−65モル%、および
At2U、20〜35モル%の組成が1・なる希1゛類
酸化物含有アルミ、ノけ(・酸ガラス ” l!IJ nI2組成(こおし・−(、lrす7
を含まずに、T i O2を3〜18モル%含有させた
ものからなる特♂]111求の範囲第1項記載の希土類
酸化物含有−ノルミノけ(酸塩ガラス 、3 特許請求の範囲第1項記載のアルミノけい酸塩カ
ラ74の組成以外にY、0.および、またはL A 7
す729 % ル%以r、 Sc、0.を15モル%
以5’ZrOヮ8モル%以1・”含有させたものからな
る特許請求の範囲第2項記載の希1−類酸化物含有アル
ミノけ(・酸塩カラス[Claims] IJsu, U,, Tb2O3, H, o2 (J3, Er2
0. , Yb20. Selected single or double inserts 1-
0.5 to 27 mol% of the mixture of 1 (However, Er2O3 must not exceed 25 mol%. Also, Y'b20. must not exceed 20 mol%.), Z ro, 2
・-8Mo)'%, Sin, 30-65 mol%, and At2U, 20-35 mol%, the composition is 1. Aluminum, acid glass containing rare 1゛ class oxides" l!IJ nI2 Composition (kooshi・-(, lrs7
The rare earth oxide-containing norminose glass (acid acid glass, In addition to the composition of the aluminosilicate color 74 described in item 1, Y, 0. and/or L A 7
729% or more, Sc, 0. 15 mol%
5' ZrO 8 mol % or more 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18049582A JPS5969440A (en) | 1982-10-14 | 1982-10-14 | Aluminosilicate glass containing rare earth metallic oxide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18049582A JPS5969440A (en) | 1982-10-14 | 1982-10-14 | Aluminosilicate glass containing rare earth metallic oxide |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5969440A true JPS5969440A (en) | 1984-04-19 |
JPS6238295B2 JPS6238295B2 (en) | 1987-08-17 |
Family
ID=16084235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18049582A Granted JPS5969440A (en) | 1982-10-14 | 1982-10-14 | Aluminosilicate glass containing rare earth metallic oxide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5969440A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0577067A2 (en) * | 1992-06-30 | 1994-01-05 | TDK Corporation | Glass, dielectric composition, multilayer wiring substrate, and multilayer ceramic capacitor |
JPH1081540A (en) * | 1996-09-04 | 1998-03-31 | Hoya Corp | Material for base of information recording medium, base for information recording medium made of the material, magnetic disk and its production |
WO1998019974A1 (en) * | 1996-11-04 | 1998-05-14 | Bay Glass Research | Optical glass |
US7232612B2 (en) | 1996-07-18 | 2007-06-19 | Hitachi, Ltd. | Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information |
JP2018058729A (en) * | 2016-10-06 | 2018-04-12 | 日本電気硝子株式会社 | Production method of glass material |
-
1982
- 1982-10-14 JP JP18049582A patent/JPS5969440A/en active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0577067A2 (en) * | 1992-06-30 | 1994-01-05 | TDK Corporation | Glass, dielectric composition, multilayer wiring substrate, and multilayer ceramic capacitor |
US5378662A (en) * | 1992-06-30 | 1995-01-03 | Tdk Corporation | Glass, dielectric composition, multilayer wiring substrate, and multilayer ceramic capacitor |
EP0577067A3 (en) * | 1992-06-30 | 1995-06-28 | Tdk Corp | Glass, dielectric composition, multilayer wiring substrate, and multilayer ceramic capacitor. |
US7232612B2 (en) | 1996-07-18 | 2007-06-19 | Hitachi, Ltd. | Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information |
JPH1081540A (en) * | 1996-09-04 | 1998-03-31 | Hoya Corp | Material for base of information recording medium, base for information recording medium made of the material, magnetic disk and its production |
WO1998019974A1 (en) * | 1996-11-04 | 1998-05-14 | Bay Glass Research | Optical glass |
JP2018058729A (en) * | 2016-10-06 | 2018-04-12 | 日本電気硝子株式会社 | Production method of glass material |
Also Published As
Publication number | Publication date |
---|---|
JPS6238295B2 (en) | 1987-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3804646A (en) | Very high elastic moduli glasses | |
JPS60161351A (en) | Ophthalmic glass | |
JP4120897B2 (en) | Infrared transmitting glass ceramics | |
JPS5969443A (en) | Manufacture of aluminosilicate glass containing y2o3 | |
JPH05502432A (en) | glass fiber composition | |
JPS5939744A (en) | Transparent glass ceramic containing mullite | |
RU2769148C1 (en) | High-modulus basalt-based glass fibre composition | |
WO2007058205A1 (en) | Glass composition and glass substrate | |
JP2906104B2 (en) | Lead-free crystal glass composition | |
CN113365956B (en) | High refractive index glass | |
JPS5969440A (en) | Aluminosilicate glass containing rare earth metallic oxide | |
US3615320A (en) | Strengthened glass article and process for making | |
JPS6049145B2 (en) | Method for manufacturing crystallized glass | |
US3220861A (en) | Manufacture of heat absorbing glasses | |
JPS61281041A (en) | Alkali-free glass | |
US4562162A (en) | Glass for multi-focal eyeglass lens | |
JPS5969442A (en) | Aluminosilicate glass containing rare earth metallic oxide | |
JPS6324938B2 (en) | ||
US2919994A (en) | Fused cast refractory | |
US2978341A (en) | Glass composition | |
US1623301A (en) | Heat-resisting glass | |
JPH05193985A (en) | Refractory and fireproof transparent crystallized glass | |
JPS5814376B2 (en) | optical glass | |
US3769047A (en) | Method of depressing the liquidus temperature of lanthanum aluminogermanate glasses, and the glasses produced | |
US2472448A (en) | Thallium-silicate glass |