JPS62288198A - Production of green garnet - Google Patents
Production of green garnetInfo
- Publication number
- JPS62288198A JPS62288198A JP12896986A JP12896986A JPS62288198A JP S62288198 A JPS62288198 A JP S62288198A JP 12896986 A JP12896986 A JP 12896986A JP 12896986 A JP12896986 A JP 12896986A JP S62288198 A JPS62288198 A JP S62288198A
- Authority
- JP
- Japan
- Prior art keywords
- garnet
- raw material
- green
- green garnet
- cr2o3
- 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.)
- Pending
Links
- 239000002223 garnet Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000013078 crystal Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000003086 colorant Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 4
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 4
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 4
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 4
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 abstract 1
- 229910002547 FeII Inorganic materials 0.000 abstract 1
- 229910002553 FeIII Inorganic materials 0.000 abstract 1
- 229910003177 MnII Inorganic materials 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 229910052909 inorganic silicate Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- CMWCOKOTCLFJOP-UHFFFAOYSA-N titanium(3+) Chemical compound [Ti+3] CMWCOKOTCLFJOP-UHFFFAOYSA-N 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008710 crystal-8 Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
【発明の詳細な説明】
３発明の詳細な説明
〔産業上の利用分野〕
本発明は、人工宝石におけする集光７０−ティングゾー
ン法によるグリーンガーネットの製造方法に関するもの
である。Detailed Description of the Invention 3. Detailed Description of the Invention [Industrial Field of Application] The present invention relates to a method for producing green garnet in artificial gemstones by the condensing 70-ting zone method.
従来グリーンガーネットは、天然産のものしかなかった
。Until now, green garnet was only available from natural sources.
しかしながら前述の天然鹸グリーンガーネットの結晶は
、内部に欠陥を多址に含み、良質な大型結晶は希にしか
産出せず非常に高価であるという問題点を有する。そこ
で本発明は、このような問題点を解決するもので、その
目的とするところは安価で良質な大型のグリーンガーネ
ット結晶を提供するところにある。However, the above-mentioned natural green garnet crystals have many internal defects, and large crystals of good quality are rarely produced and are very expensive. The present invention is intended to solve these problems, and its purpose is to provide a large green garnet crystal that is inexpensive and of good quality.
本発明のガーネットの製造方法は、グリーンガーネット
の組成を示す酸化カルシウム及び酸化アルミニウム及び
二酸化ケイ素に着色剤として酸化クロム及び酸化バナジ
ウムを添加したものを原料とし、集光７ｏ−ティングゾ
ーン法により結晶を製造することを特徴とする。この場
合、着色剤治度は、酸化クロムが０．１Ｗ％〜ａ、ＳＷ
％及び酸化バナジウムがα１Ｗ％〜５Ｗ％である。The method for producing garnet of the present invention uses calcium oxide, aluminum oxide, and silicon dioxide, which have the composition of green garnet, as raw materials, to which chromium oxide and vanadium oxide are added as coloring agents, and crystals are formed by a light-concentrating 7-o-ting zone method. It is characterized by manufacturing. In this case, the degree of coloring agent is 0.1W%~a of chromium oxide, SW
% and vanadium oxide are α1W% to 5W%.
以下本発明について実施例に基づき詳細に説明する。 The present invention will be described in detail below based on examples.
第１表は本発明に使用した原料の組成を示したものであ
る。Table 1 shows the composition of the raw materials used in the present invention.
第 １ 表
第１表の組成の原料粉末をアルミナの乳ばちに秤り取り
、十分混合する。これをφ８ｍ＋のゴムチューブに詰め
、チェープ内の空気抜きを行なりた後ラバープレス法に
より１ｔｅｌ／ｃｄｔの圧力で７＋ｍ（φ）ｘ６ｏｍ（
４の棒に成型する。これを１５００℃で４時間電気炉中
で焼結し、原料棒とした。Table 1 Weigh out the raw material powder having the composition shown in Table 1 into an alumina mortar and mix thoroughly. This was packed into a φ8m+ rubber tube, the air inside the chain was removed, and then 7+m(φ) x 6om(
Mold into 4 bars. This was sintered in an electric furnace at 1500°C for 4 hours to obtain a raw material rod.
第２表は本発明における育成条件を示したものである。Table 2 shows the growth conditions in the present invention.
第 ２ 表
第１図に本発明において使用した単結晶製造装置の概略
図を示す。Table 2 FIG. 1 shows a schematic diagram of the single crystal manufacturing apparatus used in the present invention.
上記で作成した原料棒６を上部主軸第１図の９の先端に
取り付け、種結晶７を下部主軸（第１図の１０）の先端
に固定し回転楕円面ｔＡ１の一方の焦点に配置したハロ
ゲンランプ（第１図の２）の光を他方の焦点に集光させ
上記原料棒６及び種結晶７を溶融し、融帯（第８図の８
）を形成せしめ、第２表の条件により結晶育成を行なっ
た。The raw material rod 6 prepared above was attached to the tip of the upper main shaft 9 in FIG. The light from the lamp (2 in Figure 1) is focused on the other focal point to melt the raw material rod 6 and the seed crystal 7, forming a melt zone (2 in Figure 8).
) was formed, and crystal growth was performed under the conditions shown in Table 2.
上記育成の結果、実施例ＮＩＬ１〜Ｎ１３いづれも緑色
の結晶が育成され、特に高２は美しいエメラルドグリー
ンの色調の結晶となった。また、顕微鏡観察を行なりた
ところいづれの結晶にも内部欠陥は見られなかった。As a result of the above-mentioned growth, green crystals were grown in all of Examples NIL1 to N13, and especially in the second grade, crystals had a beautiful emerald green tone. In addition, no internal defects were found in any of the crystals upon microscopic observation.
以上述べたように本発明によれば、グリーンガーネット
の組成を示す酸化カルシウム及び酸化アルミニウム及び
二酸化ケイ素に着色剤として酸イしクロム及び酸化バナ
ジウムを添加したものを原料とし集光フローティングゾ
ーン法により良質なグリーンガーネットの製造が可能と
なるという効果を有する。As described above, according to the present invention, the raw material is made of calcium oxide, aluminum oxide, and silicon dioxide, which have the composition of green garnet, and acidified chromium and vanadium oxide are added as coloring agents, and is produced using the light-concentrating floating zone method to produce high quality products. This has the effect of making it possible to produce green garnet.
第１図は、本発明のグリーンガーネットの製造方法に使
用した赤外線集中加熱単結晶製造装置の概略図である。
１・・・・・・回転楕円面鏡
２・・・・・・ハロゲンランプ
３・・・・・・石英管
４・・・・・・雰囲気ガス導入口
５・・・・・・雰囲気ガス出口
６・・・・・・原料棒
７・・・・・・種結晶
８・・・・・・融 帯
９・・・・・・上部主軸
１０・・・下部主軸
以 上FIG. 1 is a schematic diagram of an infrared concentrated heating single crystal manufacturing apparatus used in the green garnet manufacturing method of the present invention. 1...Spheroidal mirror 2...Halogen lamp 3...Quartz tube 4...Atmosphere gas inlet 5...Atmosphere gas outlet 6... Raw material rod 7... Seed crystal 8... Melting zone 9... Upper main axis 10... Lower main axis and above
Claims (1)
化アルミニウム及び二酸化ケイ素に着色剤として酸化ク
ロム及び酸化バナジウムを添加したものを原料とし集光
フローティングゾーン法により結晶を製造することを特
徴とするグリーンガーネットの製造方法。A method for producing green garnet, characterized in that crystals are produced by a condensing floating zone method using as raw materials calcium oxide, aluminum oxide, and silicon dioxide, which have the composition of green garnet, and chromium oxide and vanadium oxide added as coloring agents. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12896986A JPS62288198A (en) | 1986-06-03 | 1986-06-03 | Production of green garnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12896986A JPS62288198A (en) | 1986-06-03 | 1986-06-03 | Production of green garnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62288198A true JPS62288198A (en) | 1987-12-15 |
Family
ID=14997885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12896986A Pending JPS62288198A (en) | 1986-06-03 | 1986-06-03 | Production of green garnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62288198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007169092A (en) * | 2005-12-20 | 2007-07-05 | Hitachi Zosen Corp | Method of recycling chromium-containing refractory |
-
1986
- 1986-06-03 JP JP12896986A patent/JPS62288198A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007169092A (en) * | 2005-12-20 | 2007-07-05 | Hitachi Zosen Corp | Method of recycling chromium-containing refractory |
| JP4587143B2 (en) * | 2005-12-20 | 2010-11-24 | 日立造船株式会社 | Recycling method for chromium-containing refractories |
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