Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel

316L stainless steel is a common biomedical material. Currently, biomedical parts are produced through powder injection molding (PIM). Carbon control is the most critical in PIM. Improper debinding can significantly change the properties of the final product. In this work, thermal debinding and sint...

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Main Authors: Raza, Muhammad Rafi, Faiz Ahmad, Norhamidi Muhamad, Abu Bakar Sulong, M.A. Omar, Akhtar, Majid Niaz, Muhamad Aslam, Sherazi, Irfan
Format: Article
Language:English
Published: Universiti Kebangsaan Malaysia 2017
Online Access:http://journalarticle.ukm.my/10681/
http://journalarticle.ukm.my/10681/1/13%20Muhammad%20Rafi%20Raza.pdf
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author Raza, Muhammad Rafi
Faiz Ahmad,
Norhamidi Muhamad,
Abu Bakar Sulong,
M.A. Omar,
Akhtar, Majid Niaz
Muhamad Aslam,
Sherazi, Irfan
author_facet Raza, Muhammad Rafi
Faiz Ahmad,
Norhamidi Muhamad,
Abu Bakar Sulong,
M.A. Omar,
Akhtar, Majid Niaz
Muhamad Aslam,
Sherazi, Irfan
author_sort Raza, Muhammad Rafi
building UKM Institutional Repository
collection Online Access
description 316L stainless steel is a common biomedical material. Currently, biomedical parts are produced through powder injection molding (PIM). Carbon control is the most critical in PIM. Improper debinding can significantly change the properties of the final product. In this work, thermal debinding and sintering were performed in two different furnaces (i.e. laboratory and commercially available furnaces) to study the mechanical properties and corrosion resistance. Debounded samples were sintered in different atmospheres. The samples sintered in inert gas showed enhanced mechanical properties compared with wrought 316L stainless steel and higher corrosion rate than those sintered in the vacuum furnace. The densification and tensile strength of the hydrogen sintered samples increased up to 3% and 51%, respectively, compared with those of the vacuum-sintered samples. However, the samples sintered in inert gas also exhibited reduced ductility and corrosion resistance. This finding is attributed to the presence of residual carbon in debonded samples during debinding.
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spelling oai:generic.eprints.org:106812017-09-20T09:11:16Z http://journalarticle.ukm.my/10681/ Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel Raza, Muhammad Rafi Faiz Ahmad, Norhamidi Muhamad, Abu Bakar Sulong, M.A. Omar, Akhtar, Majid Niaz Muhamad Aslam, Sherazi, Irfan 316L stainless steel is a common biomedical material. Currently, biomedical parts are produced through powder injection molding (PIM). Carbon control is the most critical in PIM. Improper debinding can significantly change the properties of the final product. In this work, thermal debinding and sintering were performed in two different furnaces (i.e. laboratory and commercially available furnaces) to study the mechanical properties and corrosion resistance. Debounded samples were sintered in different atmospheres. The samples sintered in inert gas showed enhanced mechanical properties compared with wrought 316L stainless steel and higher corrosion rate than those sintered in the vacuum furnace. The densification and tensile strength of the hydrogen sintered samples increased up to 3% and 51%, respectively, compared with those of the vacuum-sintered samples. However, the samples sintered in inert gas also exhibited reduced ductility and corrosion resistance. This finding is attributed to the presence of residual carbon in debonded samples during debinding. Universiti Kebangsaan Malaysia 2017-02 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/10681/1/13%20Muhammad%20Rafi%20Raza.pdf Raza, Muhammad Rafi and Faiz Ahmad, and Norhamidi Muhamad, and Abu Bakar Sulong, and M.A. Omar, and Akhtar, Majid Niaz and Muhamad Aslam, and Sherazi, Irfan (2017) Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel. Sains Malaysiana, 46 (2). pp. 285-293. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num2_2017/contentsVol46num2_2017.html
spellingShingle Raza, Muhammad Rafi
Faiz Ahmad,
Norhamidi Muhamad,
Abu Bakar Sulong,
M.A. Omar,
Akhtar, Majid Niaz
Muhamad Aslam,
Sherazi, Irfan
Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel
title Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel
title_full Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel
title_fullStr Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel
title_full_unstemmed Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel
title_short Effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 L - stainless steel
title_sort effects of debinding and sintering atmosphere on properties and corrosion resistance of powder injection molded 316 l - stainless steel
url http://journalarticle.ukm.my/10681/
http://journalarticle.ukm.my/10681/
http://journalarticle.ukm.my/10681/1/13%20Muhammad%20Rafi%20Raza.pdf