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Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation

Lintao Zhang, Fawzi Belblidia Orcid Logo, Helen Davies Orcid Logo, Nicholas Lavery Orcid Logo, Steve Brown Orcid Logo, Dyfyr Davies

Journal of Materials Processing Technology, Volume: 240, Pages: 249 - 254

Swansea University Authors: Fawzi Belblidia Orcid Logo, Helen Davies Orcid Logo, Nicholas Lavery Orcid Logo, Steve Brown Orcid Logo

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Abstract

This research is aimed at revealing the reasons for the extra Co-Cr-Walloy wastage in the risers in sand casting. The alloy filling behaviour in both the original and modified moulds was investigated numerically. The alloy-air interface was captured by using Volume of Fraction method. For the origin...

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Published in: Journal of Materials Processing Technology
ISSN: 0924-0136
Published: Elsevier BV 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa30309
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spelling 2020-07-31T19:17:09.8120822 v2 30309 2016-10-02 Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation 7e0feb96ca2d685180b495e8983f3940 0000-0002-8170-0468 Fawzi Belblidia Fawzi Belblidia true false a5277aa17f0f10a481da9e9751ccaeef 0000-0003-4838-9572 Helen Davies Helen Davies true false 9f102ff59824fd4f7ce3d40144304395 0000-0003-0953-5936 Nicholas Lavery Nicholas Lavery true false 07a865adc76376646bc6c03a69ce35a9 0000-0002-0570-3018 Steve Brown Steve Brown true false 2016-10-02 AERO This research is aimed at revealing the reasons for the extra Co-Cr-Walloy wastage in the risers in sand casting. The alloy filling behaviour in both the original and modified moulds was investigated numerically. The alloy-air interface was captured by using Volume of Fraction method. For the original mould, an unfilled volume in the vicinity of the runner bar top was apparent and it was refilled by a back flow, originated from the risers in the late stage of filling. The back flow behaviour required a higher level of the liquid alloy in the risers, which resulted in excessive wastage, and it was essential to form the required shape of the cast. For the modified mould, the unfilled volume was eliminated and the cast part shaping time was reduced to around 10 s from 90 s. The alloy wastage in the risers was reduced by 11%. Journal Article Journal of Materials Processing Technology 240 249 254 Elsevier BV 0924-0136 Sand casting, Mould design, Co-Cr-W alloy, Computational fluid dynamics, Filling behaviour 1 2 2017 2017-02-01 10.1016/j.jmatprotec.2016.09.027 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2020-07-31T19:17:09.8120822 2016-10-02T19:53:17.1913549 College of Engineering Engineering Lintao Zhang 1 Fawzi Belblidia 0000-0002-8170-0468 2 Helen Davies 0000-0003-4838-9572 3 Nicholas Lavery 0000-0003-0953-5936 4 Steve Brown 0000-0002-0570-3018 5 Dyfyr Davies 6 0030309-05102016135812.pdf zhang2016(2)v2.pdf 2016-10-05T13:58:12.4800000 Output 1259824 application/pdf Accepted Manuscript true 2018-10-04T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true English
title Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
spellingShingle Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
Fawzi Belblidia
Helen Davies
Nicholas Lavery
Steve Brown
title_short Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
title_full Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
title_fullStr Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
title_full_unstemmed Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
title_sort Optimizing gate location to reduce metal wastage: Co–Cr–W alloy filling simulation
author_id_str_mv 7e0feb96ca2d685180b495e8983f3940
a5277aa17f0f10a481da9e9751ccaeef
9f102ff59824fd4f7ce3d40144304395
07a865adc76376646bc6c03a69ce35a9
author_id_fullname_str_mv 7e0feb96ca2d685180b495e8983f3940_***_Fawzi Belblidia
a5277aa17f0f10a481da9e9751ccaeef_***_Helen Davies
9f102ff59824fd4f7ce3d40144304395_***_Nicholas Lavery
07a865adc76376646bc6c03a69ce35a9_***_Steve Brown
author Fawzi Belblidia
Helen Davies
Nicholas Lavery
Steve Brown
author2 Lintao Zhang
Fawzi Belblidia
Helen Davies
Nicholas Lavery
Steve Brown
Dyfyr Davies
format Journal article
container_title Journal of Materials Processing Technology
container_volume 240
container_start_page 249
publishDate 2017
institution Swansea University
issn 0924-0136
doi_str_mv 10.1016/j.jmatprotec.2016.09.027
publisher Elsevier BV
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
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description This research is aimed at revealing the reasons for the extra Co-Cr-Walloy wastage in the risers in sand casting. The alloy filling behaviour in both the original and modified moulds was investigated numerically. The alloy-air interface was captured by using Volume of Fraction method. For the original mould, an unfilled volume in the vicinity of the runner bar top was apparent and it was refilled by a back flow, originated from the risers in the late stage of filling. The back flow behaviour required a higher level of the liquid alloy in the risers, which resulted in excessive wastage, and it was essential to form the required shape of the cast. For the modified mould, the unfilled volume was eliminated and the cast part shaping time was reduced to around 10 s from 90 s. The alloy wastage in the risers was reduced by 11%.
published_date 2017-02-01T03:42:01Z
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score 10.919779