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1. Stability of 3D printing using a mixture of pea protein and alginate: Precision and application of additive layer manufacturing simulation approach for stress distribution

Author:
Oyinloye, Timilehin Martins; Yoon, Won Byong
Source:
Journal of food engineering 2021 v.288 pp. 110127
ISSN:
0260-8774
Subject:
manufacturing,   etc   ; alginates; deformation; enthalpy; geometry; hardness; models; pea protein; rheology; storage modulus; texture; three-dimensional printing;     Show all 12 Subjects
Abstract:
... Printability of materials is the foundation for extrusion-based 3D printing, with residual stress being a major challenge towards the printing of complex geometry. In this report, the analysis of five blend ratios of alginate and pea protein solutions were investigated for an optimum 3D printing material mixture ratio by probing its rheology, thermal, and textural properties. The thermal (enthalpy ...
DOI:
10.1016/j.jfoodeng.2020.110127

2. Numerical simulation of particle flow and segregation during roller spreading process in additive manufacturing

Author:
Nan, Wenguang; Pasha, Mehrdad; Ghadiri, Mojtaba
Source:
Powder technology 2020 v.364 pp. 811-821
ISSN:
0032-5910
Subject:
manufacturing,   etc   ; convection; mathematical models;     Show all 3 Subjects
Abstract:
... Additive Manufacturing (AM) using powder spreading requires uniform spreading. For narrow spreader gaps, as commonly used, transient jamming and segregation could adversely affect the uniformity of the spread layer. Here, we consider the dynamics of powder spreading by roller for a gas-atomised metal powder and analyse the effects of gap height and the rotational speed of roller on the evolving pa ...
DOI:
10.1016/j.powtec.2019.12.023

3. Analysing the support of sustainability within the manufacturing strategy through multiple perspectives of different business functions

Author:
Macchi, Marco; Savino, Matteo; Roda, Irene
Source:
Journal of cleaner production 2020 v.258 pp. 120771
ISSN:
0959-6526
Subject:
manufacturing; sustainable manufacturing,   etc   ; case studies; decision making; empirical research; factories;     Show all 6 Subjects
Abstract:
... This paper proposes an empirical study aimed at characterizing the evolution of a company towards a sustainable manufacturing strategy, with a special emphasis on the role played by the business functions within the industrial organization. In the study, a methodology to evaluate and rank the sustainable manufacturing strategy in different production contexts is developed, stemming from the fact t ...
DOI:
10.1016/j.jclepro.2020.120771

4. Kinematics of underactuated robotics for product carbon footprint

Author:
He, Bin; Cao, Xiaoyang; Gu, Zhuochao
Source:
Journal of cleaner production 2020 v.257 pp. 120491
ISSN:
0959-6526
Subject:
manufacturing; sustainable manufacturing,   etc   ; actuators; carbon footprint; exoskeleton; humans; kinematics; robots;     Show all 8 Subjects
Abstract:
... Product low-carbon design has become one of the important means of sustainable manufacturing. An important design principle should be to minimize the weight of the robot while maximizing its motion efficiency. Therefore, how to develop and analyze low-carbon robots is the focus of this paper. The illustration used in the paper is a novel proposal for an underactuated robotic ankle exoskeleton for ...
DOI:
10.1016/j.jclepro.2020.120491

5. Electrical energy and material efficiency analysis of machining, additive and hybrid manufacturing

Author:
Wippermann, A.; Gutowski, T.G.; Denkena, B.; Dittrich, M.-A.; Wessarges, Y.
Source:
Journal of cleaner production 2020 v.251 pp. 119731
ISSN:
0959-6526
Subject:
manufacturing; sustainable manufacturing,   etc   ; electric power; energy; melting; milling;     Show all 6 Subjects
Abstract:
... The manufacturing sector consumes a significant amount of energy and their outputs, like solid and gaseous waste streams, can result in substantial stress on the environment. This paper aims to analyze and compare the electrical energy and material efficiency of machining, additive and hybrid manufacturing. The analysis of the manufacturing processes is based on machine tool data from a sample pro ...
DOI:
10.1016/j.jclepro.2019.119731

6. Green manufacturing: Order acceptance and scheduling subject to the budgets of energy consumption and machine launch

Author:
Kong, Min; Pei, Jun; Liu, Xinbao; Lai, Pei-Chun; Pardalos, Panos M.
Source:
Journal of cleaner production 2020 v.248 pp. 119300
ISSN:
0959-6526
Subject:
manufacturing; sustainable manufacturing,   etc   ; algorithms; dynamic programming; employment; energy; equipment; income;     Show all 8 Subjects
Abstract:
... This paper investigates an order acceptance and scheduling problem with an energy consumption budget, a machine launch budget, and the order release time in a green manufacturing system. The phenomenon of deteriorating jobs is considered in the production of the accepted orders. The objective of the study is to maximize the net revenue and a modified variable neighborhood search (MVNS) Algorithm t ...
DOI:
10.1016/j.jclepro.2019.119300

7. Measurement of manufacture assembly stresses in thick composite components using a modified DHD method

Author:
Hu, Haixiao; Li, Shuxin; Cao, Dongfeng; Liu, Lisheng; Pavier, Martyn
Source:
Composites 2020 v.135 pp. 105922
ISSN:
1359-835X
Subject:
manufacturing,   etc   ; composite materials; deformation; drilling;     Show all 4 Subjects
Abstract:
... Understanding of the through-thickness distribution of assembly stresses caused by manufacture process-induced distortion (PID) in thick composite components is essential for safety and reliability assessment. Inspired by deep-hole drilling (DHD) method which is widely used to reconstruct residual stresses in thick metallic components, current research attempts to extend and modify the DHD techniq ...
DOI:
10.1016/j.compositesa.2020.105922

8. Low-Cost Catalyst Ink for Simple Patterning and Growth of High-Quality Single- and Double-Walled Carbon Nanotubes

Author:
King, Simon G.; McCafferty, Liam; Tas, Mehmet O.; Snashall, Kaspar; Chen, Jeng Shiung; Shkunov, Maxim; Stolojan, Vlad; Silva, S. Ravi P.
Source:
ACS applied materials & interfaces 2020 v.12 no.10 pp. 11898-11906
ISSN:
1944-8252
Subject:
manufacturing,   etc   ; carbon nanotubes; catalysts; electronics;     Show all 4 Subjects
Abstract:
... Research into carbon nanotubes (CNTs) has been a hot topic for almost 3 decades, and it is now that we are beginning to observe the impact of advanced applictions of this nanomaterial in areas such as electronics. Currently, in order to mass produce CNT devices, either large-scale synthesis, followed by numerous energy-intensive processing steps or photolithography processes, including several spu ...
DOI:
10.1021/acsami.9b19957

9. Ultrawide Band Gap Oxide Nanodots (Eg > 4.8 eV) for a High-Performance Deep Ultraviolet Photovoltaic Detector

Author:
Kan, Hao; Zheng, Wei; Fu, Chen; Lin, Richeng; Luo, Jingting; Huang, Feng
Source:
ACS applied materials & interfaces 2020 v.12 no.5 pp. 6030-6036
ISSN:
1944-8252
Subject:
manufacturing,   etc   ; detectors; gallium; lighting; nanotechnology;     Show all 5 Subjects
Abstract:
... Recently, deep ultraviolet (DUV) detectors based on gallium oxide (Ga₂O₃) have become promising in industrial and aerospace applications because of their inherently ultrawide band gaps (4.5–4.9 eV). Because most of them are difficult to be prepared, the lattice mismatch with the substrate and the expensive cost have to be taken into consideration. Because of such problems, the solution-processible ...
DOI:
10.1021/acsami.9b17679

10. Monoclonal antibody purification and its progression to commercial scale

Author:
Chahar, Digamber Singh; Ravindran, Selvan; Pisal, S.S.
Source:
Biologicals 2020 v.63 pp. 1-13
ISSN:
1045-1056
Subject:
manufacturing,   etc   ; filtration; markets; monoclonal antibodies;     Show all 4 Subjects
Abstract:
... With the advancements in upstream technologies, the capacity for monoclonal antibody (mAb) production has transformed from a few milligrams to grams per liter. These titers lead to enormous pressure on downstream processes (DSPs), which need to be reworked to achieve higher efficiency and better utilization of available resources. Various parameters, such as column sizing, aggregate removal, filtr ...
DOI:
10.1016/j.biologicals.2019.09.007

11. Time barrier to export for OECD countries

Author:
Li, Wenchao
Source:
Economics letters 2019 v.175 pp. 106-112
ISSN:
0165-1765
Subject:
manufacturing,   etc   ; exports;     Show all 2 Subject
Abstract:
... Behind-the-border time delays due to administrative procedures represent a significant barrier to export. Guided by a Ricardian framework, this paper studies the effect of such delays on exports among OECD countries, and how the effect differs across manufacturing sectors. Results show that time delays hinder exports, particularly in more time-sensitive sectors. With a ten-percent export-delay red ...
DOI:
10.1016/j.econlet.2018.10.019

12. Manufacture and properties of composite liquid marbles

Author:
Roy, Pritam Kumar; Binks, Bernard P.; Bormashenko, Edward; Legchenkova, Irina; Fujii, Syuji; Shoval, Shraga
Source:
Journal of colloid and interface science 2020 v.575 pp. 35-41
ISSN:
0021-9797
Subject:
manufacturing,   etc   ; droplets; hydrophobicity; oils; silicone; surface tension;     Show all 6 Subjects
Abstract:
... Liquid marbles are non-stick droplets coated with colloidal usually hydrophobic particles. We suggest that “composite” liquid marbles, i.e. bi-liquid droplets, may be prepared with water droplets coated by a thin silicone oil layer containing hydrophobic, colloidal particles.The process enabling manufacturing water marbles coated with silicone oil containing fumed fluorosilica particles is reporte ...
DOI:
10.1016/j.jcis.2020.04.066

13. Experimental characterisation of the in-plane shear behaviour of UD thermoset prepregs under processing conditions

Author:
Wang, Yi; Chea, Ming Kai; Belnoue, Jonathan P.-H.; Kratz, James; Ivanov, Dmitry S.; Hallett, Stephen R.
Source:
Composites 2020 v.133 pp. 105865
ISSN:
1359-835X
Subject:
manufacturing,   etc   ; automation; composite materials; deformation; temperature;     Show all 5 Subjects
Abstract:
... The in-plane shear behaviour of an uncured composite material (i.e. prepreg sheet, dry fibre preforms etc) is one of the key parameters that influences wrinkle generation in advanced composites manufacturing processes such as automated fibre placement (AFP) and thermoforming. However, there is no standardised test method for the characterisation of uncured unidirectional prepreg subjected to pure ...
DOI:
10.1016/j.compositesa.2020.105865

14. A framework to overcome sustainable supply chain challenges through solution measures of industry 4.0 and circular economy: An automotive case

Author:
Yadav, Gunjan; Luthra, Sunil; Jakhar, Suresh Kumar; Mangla, Sachin Kumar; Rai, Dhiraj P.
Source:
Journal of cleaner production 2020 v.254 pp. 120112
ISSN:
0959-6526
Subject:
manufacturing,   etc   ; circular economy; supply chain; world markets;     Show all 4 Subjects
Abstract:
... Adoption of sustainability has become extremely essential aspect over the last decade for the industries to sustain in the global market. However, the adoption of sustainability in supply chain is more concern for the manufacturing organisations. Constantly, changing market has insisted these organisations to revisit their supply chain activities in order to penetrate sustainability effectively th ...
DOI:
10.1016/j.jclepro.2020.120112

15. Thin-ply polymer composite materials: A review

Author:
Arteiro, A.; Furtado, C.; Catalanotti, G.; Linde, P.; Camanho, P.P.
Source:
Composites 2020 v.132 pp. 105777
ISSN:
1359-835X
Subject:
manufacturing,   etc   ; composite materials; cost effectiveness; polymers;     Show all 4 Subjects
Abstract:
... The introduction of the spread-tow thin-ply technology enabled the development of composite plies as thin as 0.020 mm. The availability of composite plies with a broader thickness range makes the understanding of the effects of ply thickness more pertinent than ever, therefore, a comprehensive literature review is presented in this paper. The micro-structural effects of ply thickness and ply unifo ...
DOI:
10.1016/j.compositesa.2020.105777

16. An optimization design method and optical performance analysis on multi-sectioned compound parabolic concentrator with cylindrical absorber

Author:
Xu, Jintao; Chen, Fei; Xia, Entong; Gao, Chong; Deng, Chenggang
Source:
Energy 2020 v.197 pp. 117212
ISSN:
0360-5442
Subject:
manufacturing,   etc   ; energy density; energy flow; glass;     Show all 4 Subjects
Abstract:
... Standard compound parabolic concentrator (S-CPC) is difficult to manufacture and has extremely non-uniform energy density distribution on its absorber. A novel design method of multi-sectioned compound parabolic concentrator (M-CPC) based on the programming calculation is presented in this paper whose reliability was verified by a laser experiment. Five M-CPCs with different amounts of the reflect ...
DOI:
10.1016/j.energy.2020.117212

17. DEM simulation for separating coated fuel particles by inclined vibrating plate

Author:
Fan, Tao; Liu, Malin; Ma, Huaqing; Shao, Youlin; Liu, Bing; Zhao, Yongzhi
Source:
Powder technology 2020 v.366 pp. 261-274
ISSN:
0032-5910
Subject:
manufacturing,   etc   ; friction; mathematical models; nuclear fuels;     Show all 4 Subjects
Abstract:
... Odd-shaped coated nuclear fuel particles are the main reason for the failure in the manufacture of fuel element, and the sphericity separation of fuel particles is one of the most significant process to improve the safety of high-temperature gas-cooled reactor (HTGR). The separation of particles by inclined vibrating plate (IVP) is based on the different friction force acted by the distinct shapes ...
DOI:
10.1016/j.powtec.2020.02.060

18. How global value chain participation affects China's energy intensity

Author:
Wang, Lafang; Yue, Youfu; Xie, Rui; Wang, Shaojian
Source:
Journal of environmental management 2020 v.260 pp. 110041
ISSN:
0301-4797
Subject:
manufacturing,   etc   ; econometrics; energy; supply chain; trade; China;     Show all 6 Subjects
Abstract:
... China is currently the world's largest energy consumer and, at the same time, a huge trading power. With the increasing complexity of production processes along global value chains (GVCs), it is of great significance to study the impact of GVC participation on energy intensity. By using production length to measure GVC participation, this study first calculates China's manufacturing industry's tot ...
DOI:
10.1016/j.jenvman.2019.110041

19. Drawing-Based Manufacturing of Shear-Activated Reversible Adhesives

Author:
Kim, Jae-Kang; Varenberg, Michael
Source:
ACS applied materials & interfaces 2020 v.12 no.17 pp. 20075-20083
ISSN:
1944-8252
Subject:
manufacturing,   etc   ; adhesion; adhesives; biomimetics; cost effectiveness; microstructure;     Show all 6 Subjects
Abstract:
... Although biomimetic technologies for dry reversible adhesion seem to be maturing, the costs, complexity, and time expenditures associated with the current template-based molding techniques call for research on other fabrication methods. In this paper, we report a novel cost-effective, simple, and flexible drawing-based technique for manufacturing the soft elastomeric thin-film-based microstructure ...
DOI:
10.1021/acsami.0c01812

20. Downstream of the bioreactor: advancements in recovering fuels and commodity chemicals

Author:
Cuellar, Maria C; Straathof, Adrie JJ
Source:
Current opinion in biotechnology 2020 v.62 pp. 189-195
ISSN:
0958-1669
Subject:
manufacturing,   etc   ; bioreactors; feedstocks; fuels; renewable energy sources;     Show all 5 Subjects
Abstract:
... Downstream processing aims at recovering the target product at the required specifications from the bioreactor effluent. Research and development in this field relies on experimental and mathematical tools at the levels of chemical components, unit operations and processes. Recently, advances have been made in addressing the broth mixture complexity early on, in incorporating high-throughput exper ...
DOI:
10.1016/j.copbio.2019.11.012