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Precipitate scanning in Ni-base γ/γ′-superalloys

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Title: Precipitate scanning in Ni-base γ/γ′-superalloys
Authors: Roth, S.V.1 sroth@esrf.fr, Burghammer, M.1, Gilles, R.2, Mukherji, D.3, Rösler, J.3, Strunz, P.4
Source: Nuclear Instruments & Methods in Physics Research Section B. Jan2003, Vol. 200 Issue 1-4, p255. 6p.
Subjects: Optical diffraction, Heat resistant alloys
Abstract: In this paper we present μSAXS and TEM investigations on the local microstructure of an experimental W-rich single crystal Ni-base γ/γ′-superalloy. Using the ID13(ESRF) X-ray microfocus beam we scanned a small sample area and were able to distinguish between different precipitate phases (γ′/σ). The σ phase could be unambiguously identified by comparing the data to numerical two-dimensional simulations on similar alloys, e.g. SCA, SC16. The low concentrated detrimental platelet TCP σ phase, which was not detectable in SANS on the same alloy, seems to be ordered in stacks with a preferential orientation perpendicular to the [3 2 0]-direction. [Copyright &y& Elsevier]
Copyright of Nuclear Instruments & Methods in Physics Research Section B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 9154934
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Precipitate scanning in Ni-base <f>γ/γ<superscript>′</superscript></f>-superalloys
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  Data: <searchLink fieldCode="AR" term="%22Roth%2C+S%2EV%2E%22">Roth, S.V.</searchLink><relatesTo>1</relatesTo><i> sroth@esrf.fr</i><br /><searchLink fieldCode="AR" term="%22Burghammer%2C+M%2E%22">Burghammer, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gilles%2C+R%2E%22">Gilles, R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Mukherji%2C+D%2E%22">Mukherji, D.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Rösler%2C+J%2E%22">Rösler, J.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Strunz%2C+P%2E%22">Strunz, P.</searchLink><relatesTo>4</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+B%22">Nuclear Instruments & Methods in Physics Research Section B</searchLink>. Jan2003, Vol. 200 Issue 1-4, p255. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Optical+diffraction%22">Optical diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+resistant+alloys%22">Heat resistant alloys</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: In this paper we present <f>μ</f>SAXS and TEM investigations on the local microstructure of an experimental W-rich single crystal Ni-base <f>γ/γ′</f>-superalloy. Using the ID13(ESRF) X-ray microfocus beam we scanned a small sample area and were able to distinguish between different precipitate phases (<f>γ′/σ</f>). The <f>σ</f> phase could be unambiguously identified by comparing the data to numerical two-dimensional simulations on similar alloys, e.g. SCA, SC16. The low concentrated detrimental platelet TCP <f>σ</f> phase, which was not detectable in SANS on the same alloy, seems to be ordered in stacks with a preferential orientation perpendicular to the [3 2 0]-direction. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/S0168-583X(02)01685-3
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      – TitleFull: Precipitate scanning in Ni-base <f>γ/γ′</f>-superalloys
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              Text: Jan2003
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