JP2005024479A - 白金系材料の金属疲労寿命評価方法及びガラス溶解槽の余寿命予測方法並びにガラス溶解槽 - Google Patents
白金系材料の金属疲労寿命評価方法及びガラス溶解槽の余寿命予測方法並びにガラス溶解槽 Download PDFInfo
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- JP2005024479A JP2005024479A JP2003270095A JP2003270095A JP2005024479A JP 2005024479 A JP2005024479 A JP 2005024479A JP 2003270095 A JP2003270095 A JP 2003270095A JP 2003270095 A JP2003270095 A JP 2003270095A JP 2005024479 A JP2005024479 A JP 2005024479A
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- glass
- platinum
- melting tank
- resistance value
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
- C03B5/1672—Use of materials therefor
- C03B5/1675—Platinum group metals
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/20—Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
【解決課題】 長期使用により生じるガラス溶解槽の破損の原因を解明すると共に、白金系材料を適用するガラス溶解槽の破損の時期を予測する余寿命予測方法を提供することを目的とする。
【解決手段】 白金系材料について、高温下で繰り返し応力を受け疲労破断が生じる部位を跨いで任意の2箇所を測定点として選択し、両測定点間の抵抗値を測定することにより白金系材料の疲労予寿命を予測する。この際に測定される疲労の応力負荷のサイクルと抵抗値との関係としては、応力負荷のサイクル数が増大し破断が生じる手前において抵抗値はそれまでの変化とは異なる変化率で大きく上昇し、その後まもなく材料の破断が生じる。本発明は、この抵抗値の変化から白金系材料の破断時期を予測するものである。
【選択図】 図4
Description
試料2:ジルコニア分散型強化白金(分散粒子の平均粒径:約0.2μm)
試料3:ジルコニア分散型強化白金(分散粒子の平均粒径:約0.3μm)
試料4:白金
11 ガラス原料(ガラスカレット)
12 溶解ガラス
20 液面
30 試料
31 電源
32 エアーノズル
33 保温材
Claims (5)
- 高温下で繰返し応力を受ける白金系材料の金属疲労寿命を評価する方法であって、
前記白金系材料の繰返し応力を受ける部位を境とし任意の2箇所を測定点として定め、前記測定点間の抵抗値を測定する白金系材料の金属疲労寿命評価方法。 - 白金系材料からなるガラス溶解槽の余寿命を予測する方法であって、
前記ガラス槽壁面の溶解ガラスの液面を境とし任意の2箇所の測定点を設定し、前記測定点間の抵抗値を測定するガラス溶解槽の余寿命予測方法。 - 測定点間の距離を、1m以下とする請求項2記載のガラス溶解槽の余寿命予測方法。
- 測定点間に交流電流又は極性を交互に変化させた直流電流を印加して抵抗値を測定する請求項2又は請求項3記載のガラス溶解槽の余寿命予測方法。
- 白金系材料からなるガラス溶解槽において、
溶解ガラスの液面を境とした2箇所の測定点に、抵抗値を測定するためのリードを壁面に備えることを特徴とするガラス溶解槽。
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JP2003270095A JP4151900B2 (ja) | 2003-07-01 | 2003-07-01 | 白金系材料の金属疲労寿命評価方法及びガラス溶解槽の余寿命予測方法並びにガラス溶解槽 |
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JP2003270095A JP4151900B2 (ja) | 2003-07-01 | 2003-07-01 | 白金系材料の金属疲労寿命評価方法及びガラス溶解槽の余寿命予測方法並びにガラス溶解槽 |
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JP2005024479A true JP2005024479A (ja) | 2005-01-27 |
JP4151900B2 JP4151900B2 (ja) | 2008-09-17 |
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JP2003270095A Expired - Fee Related JP4151900B2 (ja) | 2003-07-01 | 2003-07-01 | 白金系材料の金属疲労寿命評価方法及びガラス溶解槽の余寿命予測方法並びにガラス溶解槽 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007020887A1 (ja) * | 2005-08-19 | 2007-02-22 | Nippon Electric Glass Co., Ltd. | ガラス熔融用耐熱材、ガラス物品製造装置及びガラス物品の製造方法 |
JP2007077004A (ja) * | 2005-08-19 | 2007-03-29 | Nippon Electric Glass Co Ltd | ガラス熔融用耐熱材、ガラス物品製造装置及びガラス物品の製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7383838B2 (ja) | 2020-12-25 | 2023-11-20 | ヤマハ発動機株式会社 | 部品保管システム、部品保管庫およびマガジン準備方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007020887A1 (ja) * | 2005-08-19 | 2007-02-22 | Nippon Electric Glass Co., Ltd. | ガラス熔融用耐熱材、ガラス物品製造装置及びガラス物品の製造方法 |
JP2007077004A (ja) * | 2005-08-19 | 2007-03-29 | Nippon Electric Glass Co Ltd | ガラス熔融用耐熱材、ガラス物品製造装置及びガラス物品の製造方法 |
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