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Infrared Radiation Heating for Annealing Selective Laser Melted Co-Cr-Mo-W Dental Alloy: Microstructure and Bond Properties.

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Title: Infrared Radiation Heating for Annealing Selective Laser Melted Co-Cr-Mo-W Dental Alloy: Microstructure and Bond Properties.
Authors: Du, Huwei1 (AUTHOR), Liu, Jinhao1 (AUTHOR), Wang, Kun1 (AUTHOR), Lyu, Qianpeng1 (AUTHOR), Xu, Shaohui1 (AUTHOR), Han, Songyang1,2,3 (AUTHOR), Jiang, Jie2 (AUTHOR), Zhao, Jiuyang1,2,3 (AUTHOR), Li, Jianxin3 (AUTHOR), Zhou, Yanan1 (AUTHOR) zhouyanan_0505@163.com
Source: Journal of Materials Engineering & Performance. Mar2026, Vol. 35 Issue 11, p10830-10840. 11p.
Subjects: Selective laser melting, Infrared heating, Dental metallurgy, Prosthodontics, Microstructure, Bond strengths, Dental ceramics, Heat treatment
Abstract: The prolonged post-processing duration weakens the benefits of selective laser melting (SLM) technology in dental framework fabrication. To address this issue, we have innovatively introduced the infrared radiation heating (IRH) technique for post-processing SLM parts. This study investigated the effects of IRH on the microstructure and metal-ceramic bond properties of SLM Co-Cr-Mo-W dental alloys and also assessed the potential applications of IRH in dental restorations. These findings reveal that, regardless of the IRH or general furnace heating (GFH) treatments, significant differences are not found in the bond strength, but are found in the area fraction of adherence porcelain. The IRH-treated specimens demonstrate finer grains, more evenly distributed precipitates, a higher volume fraction of the γ phase, a higher coefficient of thermal expansion value, and comparable chemical diffusion layers compared with GFH-treated counterparts. However, the thinner native oxide film in IRH-treated specimens is the principal factor contributing to unchanged bond strength. This study presents a superior alternative for the post-processing of SLM dental restorations, achieving over 60% production efficiency enhancement without compromising their bond properties. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature 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.)
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Infrared Radiation Heating for Annealing Selective Laser Melted Co-Cr-Mo-W Dental Alloy: Microstructure and Bond Properties.
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  Data: <searchLink fieldCode="AR" term="%22Du%2C+Huwei%22">Du, Huwei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Jinhao%22">Liu, Jinhao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Kun%22">Wang, Kun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lyu%2C+Qianpeng%22">Lyu, Qianpeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Shaohui%22">Xu, Shaohui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Songyang%22">Han, Songyang</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiang%2C+Jie%22">Jiang, Jie</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Jiuyang%22">Zhao, Jiuyang</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Jianxin%22">Li, Jianxin</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yanan%22">Zhou, Yanan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhouyanan_0505@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. Mar2026, Vol. 35 Issue 11, p10830-10840. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Selective+laser+melting%22">Selective laser melting</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+heating%22">Infrared heating</searchLink><br /><searchLink fieldCode="DE" term="%22Dental+metallurgy%22">Dental metallurgy</searchLink><br /><searchLink fieldCode="DE" term="%22Prosthodontics%22">Prosthodontics</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Bond+strengths%22">Bond strengths</searchLink><br /><searchLink fieldCode="DE" term="%22Dental+ceramics%22">Dental ceramics</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The prolonged post-processing duration weakens the benefits of selective laser melting (SLM) technology in dental framework fabrication. To address this issue, we have innovatively introduced the infrared radiation heating (IRH) technique for post-processing SLM parts. This study investigated the effects of IRH on the microstructure and metal-ceramic bond properties of SLM Co-Cr-Mo-W dental alloys and also assessed the potential applications of IRH in dental restorations. These findings reveal that, regardless of the IRH or general furnace heating (GFH) treatments, significant differences are not found in the bond strength, but are found in the area fraction of adherence porcelain. The IRH-treated specimens demonstrate finer grains, more evenly distributed precipitates, a higher volume fraction of the γ phase, a higher coefficient of thermal expansion value, and comparable chemical diffusion layers compared with GFH-treated counterparts. However, the thinner native oxide film in IRH-treated specimens is the principal factor contributing to unchanged bond strength. This study presents a superior alternative for the post-processing of SLM dental restorations, achieving over 60% production efficiency enhancement without compromising their bond properties. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature 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: 10.1007/s11665-025-12428-3
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 10830
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      – SubjectFull: Selective laser melting
        Type: general
      – SubjectFull: Infrared heating
        Type: general
      – SubjectFull: Dental metallurgy
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      – SubjectFull: Prosthodontics
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      – SubjectFull: Microstructure
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      – SubjectFull: Bond strengths
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      – SubjectFull: Dental ceramics
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      – SubjectFull: Heat treatment
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      – TitleFull: Infrared Radiation Heating for Annealing Selective Laser Melted Co-Cr-Mo-W Dental Alloy: Microstructure and Bond Properties.
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              Text: Mar2026
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