Manufacturing energy and environmental evaluation of metallic sheets reshaping based on theoretical models and cradle-to-gate assessment

Ablat, Muhammad Ali; Ali, Majed; Almotari, Abdalmageed; Qattawi, Ala

doi:10.1016/j.jclepro.2023.137795

Journal of Cleaner Production

2023

DOI: 10.1016/j.jclepro.2023.137795

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Manufacturing energy and environmental evaluation of metallic sheets reshaping based on theoretical models and cradle-to-gate assessment

Muhammad Ali Ablat

Majed Ali

Abdalmageed Almotari

et al.

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2024

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Cited by 3 publications

References 39 publications

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Impact of Different Heat Treatments on the Mechanical Properties and Microstructure of Precipitation-Hardened Stainless Steel Fabricated by Laser Powder Bed Fusion

Negron,

Ali,

Almotari

et al. 2024

Metallogr. Microstruct. Anal.

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The mechanical properties of additively manufactured metal parts are often considered inferior to those of their traditionally manufactured counterparts. These inferior mechanical properties are primarily attributed to prevalent defects inherent in additive manufacturing processes, leading to reduced performance and durability. Researchers have extensively studied processing parameters and post-processing techniques to determine optimal conditions for improving the mechanical properties of laser powder bed fusion. This study investigates the densification and microstructure characteristics of laser powder bed fusion 15-5 precipitation-hardened stainless steel. The effects of three developed post-heat treatments and three build directions are examined. The results reveal that heat treatment schedules influence material strength and hardness at the cost of reduced ductility, while the fabrication build direction impacts surface porosity. Prolonged heat treatment procedures resulted in the highest hardness values due to enhanced homogenization.

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Impact of Different Heat Treatments on the Mechanical Properties and Microstructure of Precipitation-Hardened Stainless Steel Fabricated by Laser Powder Bed Fusion

Negron,

Ali,

Almotari

et al. 2024

Metallogr. Microstruct. Anal.

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Acid modification on ZnIn2S4 with sulfur vacancy for highly efficient photocatalytic reduction of Cr(VI)

Gao,

Mu,

Chang

2024

Journal of Alloys and Compounds

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A Model of Product Carbon Intensity Based on Life Cycle Assessment Process

Wang,

Wang

et al. 2024

J. Adv. Manuf. Syst.

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Carbon accounting plays a pivotal role in the manufacturing industry, being crucial for achieving low-carbon transformation and lean carbon management. A thorough understanding of carbon emissions during the manufacturing process is essential to account for the carbon footprint of products accurately. By analyzing the impact of supplies consumption (SC), energy penalty (EP), and equipment wear and tear (EWT) on carbon emissions in each process, a mathematical model of carbon consumption of the production process is proposed. The aim of the model is to help make implicit carbon emissions explicit across the entire product lifecycle. A lifecycle assessment (LCA) mathematical model of product carbon intensity is developed on this basis. Finally, the LCA mathematical model of product carbon intensity is applied to the ball valve manufacturing case, and the values of SC, EP, and EWT carbon emissions are acquired. The key factors influencing the carbon intensity of the ball valve are analyzed. The accuracy, effectiveness, and feasibility of the proposed model and calculation methods are validated, which provides a theoretical basis for carbon accounting and the establishment of carbon labels for industrial products.

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Manufacturing energy and environmental evaluation of metallic sheets reshaping based on theoretical models and cradle-to-gate assessment

Cited by 3 publications

References 39 publications

Impact of Different Heat Treatments on the Mechanical Properties and Microstructure of Precipitation-Hardened Stainless Steel Fabricated by Laser Powder Bed Fusion

Impact of Different Heat Treatments on the Mechanical Properties and Microstructure of Precipitation-Hardened Stainless Steel Fabricated by Laser Powder Bed Fusion

Acid modification on ZnIn2S4 with sulfur vacancy for highly efficient photocatalytic reduction of Cr(VI)

A Model of Product Carbon Intensity Based on Life Cycle Assessment Process

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