The impact of smart materials, digital twins (DTs) and Internet of things (IoT) in an industry 4.0 integrated automation industry

Qazi, Ahmad Majid; Mahmood, Syed Hasan; Haleem, Abid; Bahl, Shashi; Javaid, Mohd; Gopal, K. Lalith

doi:10.1016/j.matpr.2022.01.387

Cited by 26 publications

(13 citation statements)

References 50 publications

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“…[ 120 ] In addition, when exposed to UV light, the cross‐link is induced on the damaged surface by the oxetane's reactive ends. [ 118 ]…”

Section: Self‐healing Applicationsmentioning

confidence: 99%

“…[120] In addition, when exposed to UV light, the cross-link is induced on the damaged surface by the oxetane's reactive ends. [118] Self-healing polymers are also in demand in other application areas such as ship anti-corrosion coating, [120] soft robots, [121] the communication sector and the automation industry. [122] The key hurdle to these materials not being used commercially in structural application is that self-healing experimental data is lacking.…”

Section: Self-healing Applicationsmentioning

confidence: 99%

“…[ 117 ] Some headway has been made in which NASA reported using a self‐healing agent to prevent permanent damage to the space station walls and other components hit by debris. [ 118 ]…”

Section: Self‐healing Applicationsmentioning

confidence: 99%

“…[117] Some headway has been made in which NASA reported using a self-healing agent to prevent permanent damage to the space station walls and other components hit by debris. [118] The self-healing system has also been applied to automobile tires. [119] The polyurethane has intrinsic selfhealing capabilities through its hydroxyl groups, which when experiencing heat can repair surface damages.…”

Section: Self-healing Applicationsmentioning

confidence: 99%

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A review on self‐healing polymers and polymer composites for structural applications

et al. 2022

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Polymer composites when employed for structural applications undergo dynamic stresses and strains that initiate fatigue‐induced microcracks, which by their coalescence cause the failure of the materials, thus limiting their service life. To overcome this hurdle, one of the recent approaches relies on the development of smart self‐healing polymers that, analogously to biological systems, can use damage as a trigger to activate the self‐repair phenomenon, thus extending their service life. This work reviews the self‐healing approach in polymer‐based materials for structural applications. It focuses on three main aspects, which are also explained with schematics that illustrate the mechanisms involved. The first aspect describes the different strategies adopted for self‐healing polymeric structures, the self‐healing agents used, as well as the reactions responsible for repairing the damage. The second part is focused on the methods used to disperse the self‐healing agents and catalysts within the polymer systems. The third section details the different self‐healing mechanisms and the effectiveness of self‐healing approaches in terms of mechanical and dynamical‐mechanical behavior of materials. Challenges and future research outlook highlighting the importance of relaxation time and fatigue characterization and to understand the mechanisms and possible improvements are also presented.

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“…[ 120 ] In addition, when exposed to UV light, the cross‐link is induced on the damaged surface by the oxetane's reactive ends. [ 118 ]…”

Section: Self‐healing Applicationsmentioning

confidence: 99%

Section: Self-healing Applicationsmentioning

confidence: 99%

“…[ 117 ] Some headway has been made in which NASA reported using a self‐healing agent to prevent permanent damage to the space station walls and other components hit by debris. [ 118 ]…”

Section: Self‐healing Applicationsmentioning

confidence: 99%

Section: Self-healing Applicationsmentioning

confidence: 99%

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A review on self‐healing polymers and polymer composites for structural applications

et al. 2022

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“…[1,2] Smart materials implementation has become a cornerstone of the technological evolution due to their active role in improving materials response and integration. [3] Smart materials can be described as a material that senses environmental changes and responds, in a predictable way, to the respective external stimulus. Depending on the smart material group, they react to different stimuli and provide a specific output or vice versa.…”

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confidence: 99%

3D‐Printed Carrageenan‐Based Nanocomposites for Force‐Sensing Applications

et al. 2023

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Technological development is leading to an exponential growth in the implementation of sensors and actuators where the concern about environmental problems is also focusing on electronic waste (e‐waste), which is composed of hazardous materials, corresponding to a large part of urban waste, and has a strong environmental impact. Therefore, more environmentally friendly electronic components are required, natural polymers being a suitable approach to solve or attenuate those problems. This work reports on a bio‐based polymer, carrageenan, embedded with dielectric barium titanate (BTO) nanoparticles to tailor the electrical response. The inclusion of the filler induces slight modifications in the thermal characteristics and on the physicochemical properties of the polymer matrix. On the other hand, the mechanical and dielectric properties improve with the addition of BTO and a high dielectric constant of ε′ ≈13 000 is obtained for the composite with 20 wt% BTO content. The increase of the dielectric constant is accompanied by a high AC electrical conductivity, leading to a high‐ε′–high‐loss material. The 20 wt% BTO composite is used to produce a force measuring sensor, due to the highest dielectric response. The functional response of the sensing system shows good stability over cycling.

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Role of Wetting and Dispersing Additives in Coatings

Prajapati,

Arya

2024

Functional Coatings

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The impact of smart materials, digital twins (DTs) and Internet of things (IoT) in an industry 4.0 integrated automation industry

Cited by 26 publications

References 50 publications

A review on self‐healing polymers and polymer composites for structural applications

A review on self‐healing polymers and polymer composites for structural applications

3D‐Printed Carrageenan‐Based Nanocomposites for Force‐Sensing Applications

Role of Wetting and Dispersing Additives in Coatings

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