| タイトル | Thermogravimetric study of oxidation of a PdCr alloy used for high-temperature sensors |
| 本文（外部サイト） | http://hdl.handle.net/2060/19940022923 |
| 著者（英） | Zeller, Mary V.; Boyd, Darwin L. |
| 著者所属（英） | NASA Lewis Research Center |
| 発行日 | 1994-03-01 |
| 言語 | eng |
| 内容記述 | In this study, the oxidation of Pd-13 weight percent Cr, a candidate alloy for high-temperature strain gages, was investigated by thermogravimetry. Although the bulk alloy exhibits linear electrical resistivity versus temperature and stable resistivity at elevated temperatures, problems attributed to oxidation occur when this material is fabricated into strain gages. In this work, isothermal thermogravimetry (TG) was used to study the oxidation kinetics. Results indicate that the oxidation of Pd-13 weight percent Cr was approximately parabolic in time at 600 C but exhibited greater passivation from 700 to 900 C. At 1100 C, the oxidation rate again increased. |
| NASA分類 | METALLIC MATERIALS |
| レポートNO | 94N27426
NASA-TM-106473
E-8342
NAS 1.15:106473 |
| 権利 | No Copyright |
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