The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion

With the upgrade of additive manufacturing (AM) equipment, pure copper and various Cu-based alloys with almost full density have been successfully produced, maintaining their excellent thermal and electrical conductivity and good mechanical properties at high temperatures as well. In this paper, a m...
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Autor*in:	Zhibo Ma [verfasserIn] Shiheng Zhang [verfasserIn] Chaofeng Gao [verfasserIn] Xu Gu [verfasserIn] Xiaojing Xiong [verfasserIn] Yunjie Bi [verfasserIn] Jeremy Heng Rao [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	laser powder bed fusion (LPBF) CuCrZr alloys structural design formability mechanical deformation

Übergeordnetes Werk:	In: Sustainability - MDPI AG, 2009, 14(2022), 21, p 14639
Übergeordnetes Werk:	volume:14 ; year:2022 ; number:21, p 14639

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/su142114639

Katalog-ID:	DOAJ086232118

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520			\|a With the upgrade of additive manufacturing (AM) equipment, pure copper and various Cu-based alloys with almost full density have been successfully produced, maintaining their excellent thermal and electrical conductivity and good mechanical properties at high temperatures as well. In this paper, a model with a series of inclined surface structures was designed and fabricated to investigate the structural design on the formability of CuCrZr alloy produced by laser powder bed fusion (LPBF). The typical structure dimensions of the as-built samples were measured and compared with their corresponding dimensions and the inclined angle (<i<α</i<) and the relative angle (γ) between the inclined surface and recoating directions. The results demonstrate that the inclined structures with α < 50° were fabricated either with varying buckling deformation and powder adhesion or in failure for severe distortion. The differences (<i<L</i<<sub<d</sub<) between the typical structure dimensions and their models increase with the decreasing of α. It has been observed that <i<L</i<<sub<d</sub< reaches 1 mm when α is 20° and drastically reduces to around 200 μm when α is above 50°. When <i<α</i< < 50°, <i<L<sub<d</sub<</i< is generally increasing with a rising γ value from 0° to 180°, significantly affecting the dimensional accuracy.
650		4	\|a laser powder bed fusion (LPBF)
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callnumber-first	T - Technology
author	Zhibo Ma
spellingShingle	Zhibo Ma misc TD194-195 misc TJ807-830 misc GE1-350 misc laser powder bed fusion (LPBF) misc CuCrZr alloys misc structural design misc formability misc mechanical deformation misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion
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topic_title	TD194-195 TJ807-830 GE1-350 The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion laser powder bed fusion (LPBF) CuCrZr alloys structural design formability mechanical deformation
topic	misc TD194-195 misc TJ807-830 misc GE1-350 misc laser powder bed fusion (LPBF) misc CuCrZr alloys misc structural design misc formability misc mechanical deformation misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
topic_unstemmed	misc TD194-195 misc TJ807-830 misc GE1-350 misc laser powder bed fusion (LPBF) misc CuCrZr alloys misc structural design misc formability misc mechanical deformation misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
topic_browse	misc TD194-195 misc TJ807-830 misc GE1-350 misc laser powder bed fusion (LPBF) misc CuCrZr alloys misc structural design misc formability misc mechanical deformation misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
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title	The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion
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title_full	The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion
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author_browse	Zhibo Ma Shiheng Zhang Chaofeng Gao Xu Gu Xiaojing Xiong Yunjie Bi Jeremy Heng Rao
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title_sort	influence of structural design on the dimensional accuracy of cucrzr alloy produced by laser powder bed fusion
callnumber	TD194-195
title_auth	The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion
abstract	With the upgrade of additive manufacturing (AM) equipment, pure copper and various Cu-based alloys with almost full density have been successfully produced, maintaining their excellent thermal and electrical conductivity and good mechanical properties at high temperatures as well. In this paper, a model with a series of inclined surface structures was designed and fabricated to investigate the structural design on the formability of CuCrZr alloy produced by laser powder bed fusion (LPBF). The typical structure dimensions of the as-built samples were measured and compared with their corresponding dimensions and the inclined angle (<i<α</i<) and the relative angle (γ) between the inclined surface and recoating directions. The results demonstrate that the inclined structures with α < 50° were fabricated either with varying buckling deformation and powder adhesion or in failure for severe distortion. The differences (<i<L</i<<sub<d</sub<) between the typical structure dimensions and their models increase with the decreasing of α. It has been observed that <i<L</i<<sub<d</sub< reaches 1 mm when α is 20° and drastically reduces to around 200 μm when α is above 50°. When <i<α</i< < 50°, <i<L<sub<d</sub<</i< is generally increasing with a rising γ value from 0° to 180°, significantly affecting the dimensional accuracy.
abstractGer	With the upgrade of additive manufacturing (AM) equipment, pure copper and various Cu-based alloys with almost full density have been successfully produced, maintaining their excellent thermal and electrical conductivity and good mechanical properties at high temperatures as well. In this paper, a model with a series of inclined surface structures was designed and fabricated to investigate the structural design on the formability of CuCrZr alloy produced by laser powder bed fusion (LPBF). The typical structure dimensions of the as-built samples were measured and compared with their corresponding dimensions and the inclined angle (<i<α</i<) and the relative angle (γ) between the inclined surface and recoating directions. The results demonstrate that the inclined structures with α < 50° were fabricated either with varying buckling deformation and powder adhesion or in failure for severe distortion. The differences (<i<L</i<<sub<d</sub<) between the typical structure dimensions and their models increase with the decreasing of α. It has been observed that <i<L</i<<sub<d</sub< reaches 1 mm when α is 20° and drastically reduces to around 200 μm when α is above 50°. When <i<α</i< < 50°, <i<L<sub<d</sub<</i< is generally increasing with a rising γ value from 0° to 180°, significantly affecting the dimensional accuracy.
abstract_unstemmed	With the upgrade of additive manufacturing (AM) equipment, pure copper and various Cu-based alloys with almost full density have been successfully produced, maintaining their excellent thermal and electrical conductivity and good mechanical properties at high temperatures as well. In this paper, a model with a series of inclined surface structures was designed and fabricated to investigate the structural design on the formability of CuCrZr alloy produced by laser powder bed fusion (LPBF). The typical structure dimensions of the as-built samples were measured and compared with their corresponding dimensions and the inclined angle (<i<α</i<) and the relative angle (γ) between the inclined surface and recoating directions. The results demonstrate that the inclined structures with α < 50° were fabricated either with varying buckling deformation and powder adhesion or in failure for severe distortion. The differences (<i<L</i<<sub<d</sub<) between the typical structure dimensions and their models increase with the decreasing of α. It has been observed that <i<L</i<<sub<d</sub< reaches 1 mm when α is 20° and drastically reduces to around 200 μm when α is above 50°. When <i<α</i< < 50°, <i<L<sub<d</sub<</i< is generally increasing with a rising γ value from 0° to 180°, significantly affecting the dimensional accuracy.
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title_short	The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion
url	https://doi.org/10.3390/su142114639 https://doaj.org/article/b1d31a82e5b34f3baaba926b455438ae https://www.mdpi.com/2071-1050/14/21/14639 https://doaj.org/toc/2071-1050
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The Influence of Structural Design on the Dimensional Accuracy of CuCrZr Alloy Produced by Laser Powder Bed Fusion

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