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Advances/Developments in Sustainable Materials Engineering

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 9830

Special Issue Editors

Prof. Dr. Posinasetti Nageswara Rao

E-Mail Website
Guest Editor
Department of Applied Engineering & Technical Management, University of Northern Iowa, Cedar Falls, IA 50614-0178, USA
Interests: sustainable/green manufacturing; metal cutting; computer aided manufacturing; CAD; CIM; MEMS/NANO education
Prof. Dr. Prasad KDV Yarlagadda

E-Mail Website
Guest Editor
School of Mechanical, Medical and Process Engineering, Science and Engineering Faculty, Queensland University of Technology, George Stret, Brisbane, QLD 4001, Australia
Interests: bio-manufacturing; computer integrated manufacturing; tissue engineering for orthopaedics applications and rapid product development
Prof. Dr. Immanuel Edinbarough

E-Mail Website
Guest Editor
Department of Informatics and Engineering Systems, University Of Texas Rio Grande Valley, Brownsville, TX 78520, USA
Interests: digital manufacturing; green manufacturing technology; manufacturing automation; engineering and technology education

Special Issue Information

Dear Colleagues,

A large number of materials are used in the consumer and industrial economies of the world that have traditionally utilized non-renewable resources, such as metallic ores, petroleum, etc. Since these materials are non-renewable, they are not sustainable, and researchers have been exploring renewable materials as a means of adding sustainability and also improving the quality of the environment. Sustainable engineered materials in current manufacturing, construction, transportation and electronics industries play a major role in reducing our carbon footprint and effectively promoting a green economy that is profitable and, at the same time, environment friendly. There are a large variety of materials, such as bio-based polymers derived from polysaccharides, composites with natural fibres that can be easily recycled, or highly recyclable materials, such as glass, that can be reprocessed a number of times without requiring additional mineral resources. 

Customers of the global market constantly demand new sustainable products based on nanotechnology, recycled or by-product materials, hierarchical composite materials, remanufactured or re-engineered products. In view of the wide interest that is evidenced in this topic in the recent past, it felt necessary to bring together the people associated with research on sustainable materials and engineering under one umbrella. This Special Issue of Sustainability will address and consolidate new research findings that help the industry make informed decisions regarding sustainable materials with the use of new technologies or materials to improve their performances and overall efficacy in servicing their global customers.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. Bio and renewable materials;
  2. Sustainable Engineered Materials;
  3. Composite materials with natural fibres;
  4. Life cycle assessment for sustainable materials;
  5. Biodegradable polymers;
  6. Sustainability indicators;
  7. Sustainable materials for medical applications;
  8. Sustainable materials in manufacturing applications;
  9. Sustainable materials in automotive applications;
  10. Recycling of polymers;
  11. Waste management;
  12. Recycling strategies for composite materials.

Prof. Dr. Posinasetti Nageswara Rao
Prof. Dr. Prasad KDV Yarlagadda OAM
Prof. Dr. Immanuel Edinbarough
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomaterials
  • biodegradable materials
  • renewable materials
  • sustainable engineered materials
  • recycling
  • medical applications
  • automotive applications
  • additive manufacturing

Published Papers (4 papers)

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Research

18 pages, 3209 KiB  
Article
Effect of Geographical Conditions on Moss–Soil Crust Restoration on Cut Rock Slopes in a Mountainous Area in Western Sichuan, China
by Wanqiu Pu, Maoqiang Zhao, Jie Du, Yongyao Liu and Chengmin Huang
Sustainability 2023, 15(3), 1990; https://doi.org/10.3390/su15031990 - 20 Jan 2023
Viewed by 1159
Abstract
Ecological restoration has great significance on cut rock slopes, which are considered extremely degraded habitats. The development of moss–soil crusts on cut rock slopes as a critical pathway to ecological restoration in mountain areas has been poorly reported. A total of 335 quadrats [...] Read more.
Ecological restoration has great significance on cut rock slopes, which are considered extremely degraded habitats. The development of moss–soil crusts on cut rock slopes as a critical pathway to ecological restoration in mountain areas has been poorly reported. A total of 335 quadrats were selected on cut rock slopes with formation ages between 0 and 60 years to evaluate the evolution characteristics of moss–soil crusts under various geographical conditions (e.g., aspect, lithology, and altitude) in the mountainous area of western Sichuan, Southwest China. The results suggested that moss growth decoupled from soil accumulation within the crusts and was controlled by multiple factors. Moss growth depended on lithology, altitude, and age, while soil weight was mainly influenced by slope aspect. The development of mosses on limestone was better than on sandstone. Moss biomass varied with altitude, consistent with that of rainfall with respect to moss development dependent on moisture. Furthermore, moss development under a semiarid climate was more distinctly impacted by moisture with altitude relative to a humid region, likely owing to the higher sensitivity of the mosses to moisture in the former than in the latter. Moss biomass increased with recovery time, while the rate of moss biomass development was diverse in different geographical areas. The vegetation developed rapidly in low-altitude areas (~1000 m above sea level), resulting in moss biomass increasing from 0 to 24.08 g·m−2 with formation time increasing from 0.5 to 1.5 years and subsequently being restricted by the evolution of higher plants on cut rock slopes, leading to an insignificant difference in moss biomass between 1.5 and 60 years. In high-altitude areas, when the altitude changed slightly (from 2024 to 2430 m above sea level), the moss biomass on cut rock slopes increased linearly with increasing age from 5 to 27 years. Influenced by the surrounding fertile soils and moss bioaccumulation, there were high levels of soil major nutrient content, especially the organic matter content, which reached 377.42 g·kg−1. More soils accumulated on south-facing slopes than on north-facing slopes. This study provided field data to clearly reveal the influence of geographic factors on moss–soil crust development in natural restoration processes in high-altitude mountainous areas. Full article
(This article belongs to the Special Issue Advances/Developments in Sustainable Materials Engineering)
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13 pages, 2376 KiB  
Article
Level of Activity Changes Increases the Fatigue Life of the Porous Magnesium Scaffold, as Observed in Dynamic Immersion Tests, over Time
by Risky Utama Putra, Hasan Basri, Akbar Teguh Prakoso, Hendri Chandra, Muhammad Imam Ammarullah, Imam Akbar, Ardiyansyah Syahrom and Tunku Kamarul
Sustainability 2023, 15(1), 823; https://doi.org/10.3390/su15010823 - 03 Jan 2023
Cited by 59 | Viewed by 3074
Abstract
In the present study, the effects of human physiological activity levels on the fatigue life of a porous magnesium scaffold have been investigated. First, the dynamic immersion and biomechanical testing are carried out on a porous magnesium scaffold to simulate the physiological conditions. [...] Read more.
In the present study, the effects of human physiological activity levels on the fatigue life of a porous magnesium scaffold have been investigated. First, the dynamic immersion and biomechanical testing are carried out on a porous magnesium scaffold to simulate the physiological conditions. Then, a numerical data analysis and computer simulations predict the implant failure values. A 3D CAD bone scaffold model was used to predict the implant fatigue, based on the micro-tomographic images. This study uses a simulation of solid mechanics and fatigue, based on daily physiological activities, which include walking, running, and climbing stairs, with strains reaching 1000–3500 µm/mm. The porous magnesium scaffold with a porosity of 41% was put through immersion tests for 24, 48, and 72 h in a typical simulated body fluid. Longer immersion times resulted in increased fatigue, with cycles of failure (Nf) observed to decrease from 4.508 × 1022 to 2.286 × 1011 (1.9 × 1011 fold decrease) after 72 hours of immersion with a loading rate of 1000 µm/mm. Activities played an essential role in the rate of implant fatigue, such as demonstrated by the 1.1 × 105 fold increase in the Nf of walking versus stair climbing at 7.603 × 1011 versus 6.858 × 105, respectively. The dynamic immersion tests could establish data on activity levels when an implant fails over time. This information could provide a basis for more robust future implant designs. Full article
(This article belongs to the Special Issue Advances/Developments in Sustainable Materials Engineering)
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13 pages, 2655 KiB  
Article
Comparison of Environmental Loads of Fibers Used in the Manufacture of Hot Mix Asphalt (HMA) and Stone Mastic Asphalt (SMA) Mixes Using a Life Cycle Assessment (LCA)
by Aner Martinez-Soto, Gonzalo Valdes-Vidal, Alejandra Calabi-Floody, Constanza Avendaño-Vera and Camila Martínez-Toledo
Sustainability 2022, 14(21), 14246; https://doi.org/10.3390/su142114246 - 01 Nov 2022
Cited by 5 | Viewed by 1649
Abstract
Several authors have demonstrated improvements in the mechanical performance of asphalt mixes by including the use of fibers. However, it has also been reported that environmental assessments must address fiber use in asphalt mixes from the point of view of sustainability. In this [...] Read more.
Several authors have demonstrated improvements in the mechanical performance of asphalt mixes by including the use of fibers. However, it has also been reported that environmental assessments must address fiber use in asphalt mixes from the point of view of sustainability. In this study, a life cycle assessment is used to compare the use of four different fibers (fiberglass, polyester fiber, aramid fiber, and cellulose fiber) commonly used in hot mix asphalt (HMA) and stone mastic asphalt (SMA) mixes. Additionally, the use of textile fibers from end-of-life tires (FiTyre) is included in the comparison. The results show that in the five selected impact categories (climate change, terrestrial acidification, human toxicity, particulate matter emissions, and the exhaustion of nonrenewable fossil fuels), the use of FiTyre and cellulose fibers is more advantageous than existing traditional fibers (fiberglass, polyester fiber, and aramid fiber). Full article
(This article belongs to the Special Issue Advances/Developments in Sustainable Materials Engineering)
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12 pages, 6203 KiB  
Article
Minimizing Risk of Failure from Ceramic-on-Ceramic Total Hip Prosthesis by Selecting Ceramic Materials Based on Tresca Stress
by Muhammad Imam Ammarullah, Gatot Santoso, S. Sugiharto, Toto Supriyono, Dwi Basuki Wibowo, Ojo Kurdi, Mohammad Tauviqirrahman and J. Jamari
Sustainability 2022, 14(20), 13413; https://doi.org/10.3390/su142013413 - 18 Oct 2022
Cited by 89 | Viewed by 3325
Abstract
The choice of ceramic-on-ceramic coupling in total hip prosthesis has advantages over couplings with other combinations of materials that use polyethylene and metal materials in terms of high hardness, scratch resistance, low wear rate, and increased lubrication performance. To reduce the risk of [...] Read more.
The choice of ceramic-on-ceramic coupling in total hip prosthesis has advantages over couplings with other combinations of materials that use polyethylene and metal materials in terms of high hardness, scratch resistance, low wear rate, and increased lubrication performance. To reduce the risk of primary postoperative failure, the selection of ceramic materials for ceramic-on-ceramic coupling is a strategic step that needs to be taken. The current study aims to analyze ceramic-on-ceramic coupling with commonly used ceramic materials, namely zirconium dioxide (ZrO2), silicon nitride (Si3N4), and aluminium oxide (Al2O3), according to Tressa failure criterion for the investigation of the stress distribution. A two-dimensional axisymmetric finite element-based computational model has been used to evaluate the Tresca stress on ceramic-on-ceramic coupling under gait cycle. The results show that the use of ZrO2-on-ZrO2 couplings can reduce Tresca stress by about 17.34% and 27.23% for Si3N4-on-Si3N4 and Al2O3-on-Al2O3 couplings, respectively. Full article
(This article belongs to the Special Issue Advances/Developments in Sustainable Materials Engineering)
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