dc.date.accessioned | 2023-03-17T17:15:47Z | |
dc.date.available | 2023-03-17T17:15:47Z | |
dc.date.created | 2023-02-21T19:20:42Z | |
dc.date.issued | 2023 | |
dc.identifier.citation | Fjellvåg, Asbjørn Slagtern Waller, David By, Thomas Sjåstad, Anja Olafsen . Pt-Catchment Using Pd/Au Alloys: Effect of Enhanced Diffusion. Industrial & Engineering Chemistry Research. 2022 | |
dc.identifier.uri | http://hdl.handle.net/10852/101564 | |
dc.description.abstract | We have studied a series of Pd/Au alloys as Pt-catchment materials, both in lab-scale experiments and in an industrial ammonia oxidation plant. Our focus has been on how bulk Pt diffusion affects grain reconstruction in Pd/Au alloys (91/9 and 50/50 at. %) during Pt-catchment, performed by studying both polycrystalline (as produced) and quasi-monocrystalline (preannealed in vacuum) wires. The grain reconstruction is reduced when alloying Pd with Au, and it is almost absent for Pd/Au (50/50 at. %). For all Pd-containing samples with a quasi-monocrystalline grain structure, the restructuring is limited in short (<20 days) laboratory experiments but present in the 5 month industrial experiment. Notably, the Pd/Au (50/50 at. %) alloy shows a low degree of restructuring in all experiments but a reduced Pt-catchment in the industrial experiment. The mechanism for grain reconstruction of Pd/Au alloys is discussed, along with the role of the Kirkendall effect and the internal porosity on wire restructuring. | |
dc.language | EN | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.title | Pt-Catchment Using Pd/Au Alloys: Effect of Enhanced Diffusion | |
dc.title.alternative | ENEngelskEnglishPt-Catchment Using Pd/Au Alloys: Effect of Enhanced Diffusion | |
dc.type | Journal article | |
dc.creator.author | Fjellvåg, Asbjørn Slagtern | |
dc.creator.author | Waller, David | |
dc.creator.author | By, Thomas | |
dc.creator.author | Sjåstad, Anja Olafsen | |
cristin.unitcode | 185,15,17,10 | |
cristin.unitname | Senter for Materialvitenskap og Nanoteknologi kjemi | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |
dc.identifier.cristin | 2128008 | |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Industrial & Engineering Chemistry Research&rft.volume=&rft.spage=&rft.date=2022 | |
dc.identifier.jtitle | Industrial & Engineering Chemistry Research | |
dc.identifier.volume | 62 | |
dc.identifier.issue | 6 | |
dc.identifier.startpage | 2478 | |
dc.identifier.endpage | 2493 | |
dc.identifier.pagecount | 0 | |
dc.identifier.doi | https://doi.org/10.1021/acs.iecr.2c02852 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.source.issn | 0888-5885 | |
dc.type.version | PublishedVersion | |
dc.relation.project | NFR/237922 | |