INVESTIGATION OF ELECTRICAL CONDUCTIVITY OF AISI 430 STEEL AT PRESENCE OF MN SPINEL COMPOSITIONS

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EBRAHIMIFAR HADI; ZANDRAHIMI MORTEZA

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Seminar Paper

Paper Information

Seminar: IRANIAN FUEL CELL SEMINAR
Year:2010 | Issue:4

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Title

INVESTIGATION OF ELECTRICAL CONDUCTIVITY OF AISI 430 STEEL AT PRESENCE OF MN SPINEL COMPOSITIONS

Author(s)

EBRAHIMIFAR HADI | ZANDRAHIMI MORTEZA

Keywords

MANGANESE SPINEL

ELECTRICAL CONDUCTIVITY

AISI 430 FERRITIC STAINLESS STEEL

Abstract

THE ELECTRICAL CONDUCTIVITY OF AISI 430 FERRITIC STAINLESS STEEL WHICH IS USED AS AN INTERCONNECT IN SOLID OXIDE FUEL CELLS (SOFCS) FOR INTERMEDIATE TEMPERATURE OPERATION, CAN BE IMPROVED WITH A CONDUCTIVE COATING LAYER. IN THIS STUDY, AISI 430 FERRITIC STAINLESS STEEL WAS COATED IN A MN-BASE PACK MIXTURE BY PACK CEMENTATION METHOD. AS-COATED SPECIMENS WERE CHARACTERIZED USING SCANNING ELECTRON MICROSCOPY (SEM).ELECTRICAL CONDUCTIVITY OF THE COATED COUPONS WAS TESTED AS A FUNCTION OF TEMPERATURE BY OXIDIZING THE SAMPLES FROM ROOM TEMPERATURE TO 700OC. ALSO ELECTRICAL CONDUCTIVITY HAS BEEN EVALUATED AS A FUNCTION OF OXIDATION TIME DURING ISOTHERMAL OXIDATION AT 700OC. RESULTS SHOWED THE INCREASE OF TEMPERATURE CAUSED TO THE DECREASE OF ELECTRICAL CONDUCTIVITY AND ALSO, THE COATING LAYER TRANSFORMED TO MANGANESE SPINELS DURING ISOTHERMAL OXIDATION. SPINELS AMELIORATED THE ELECTRICAL CONDUCTIVITY OF COATED COUPONS (69 S.CM-1) COMPARED TO UNCOATED ONES (32 S.CM-1) AFTER 200 H OXIDATION AT 700OC.

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APA: Copy

EBRAHIMIFAR, HADI, & ZANDRAHIMI, MORTEZA. (2010). INVESTIGATION OF ELECTRICAL CONDUCTIVITY OF AISI 430 STEEL AT PRESENCE OF MN SPINEL COMPOSITIONS. IRANIAN FUEL CELL SEMINAR. SID. https://sid.ir/paper/908004/en

Vancouver: Copy

EBRAHIMIFAR HADI, ZANDRAHIMI MORTEZA. INVESTIGATION OF ELECTRICAL CONDUCTIVITY OF AISI 430 STEEL AT PRESENCE OF MN SPINEL COMPOSITIONS. 2010. Available from: https://sid.ir/paper/908004/en

IEEE: Copy

HADI EBRAHIMIFAR, and MORTEZA ZANDRAHIMI, “INVESTIGATION OF ELECTRICAL CONDUCTIVITY OF AISI 430 STEEL AT PRESENCE OF MN SPINEL COMPOSITIONS,” presented at the IRANIAN FUEL CELL SEMINAR. 2010, [Online]. Available: https://sid.ir/paper/908004/en

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