Diverse perspectives on self healing ability of Engineered Cement Composite – All-inclusive insight

Indhumathi, S.; Dinesh, A.; Pichumani, Moorthi

doi:10.1016/j.conbuildmat.2022.126473

Cited by 23 publications

(2 citation statements)

References 99 publications

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“…High-performance insulating materials contribute to energy-efficient buildings by minimizing heat transfer. The use of recycled materials in construction not only reduces environmental impact but also conserves natural resources (Amran et al, 2022;Indhumathi, Dinesh, & Pichumani, 2022). g) Fashion and Textiles: Even the fashion and textiles industry has embraced material innovation to address sustainability concerns.…”

Section: Highlighting Case Studies Of Materials Integrationmentioning

confidence: 99%

Exploring Innovative Material Integration in Modern Manufacturing for Advancing U.S. Competitiveness in Sustainable Global Economy

Nwakamma Ninduwezuor-Ehiobu,

Olawe Alaba Tula,

Chibuike Daraojimba

et al. 2023

Eng. sci. technol. j.

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This research paper delves into innovative material integration in modern manufacturing, exploring its potential to elevate U.S. competitiveness within a sustainable global economy. It navigates through the intricacies of materials' roles, challenges in U.S. manufacturing, and the transformative power of advanced materials. The integration of innovative materials is examined through case studies and examples, illustrating its impact on diverse industries. The paper dissects the impact of materials on product performance, efficiency, and environmental sustainability. It scrutinizes approaches like nanotechnology, composites, additive manufacturing, smart materials, and biomimicry, uncovering their challenges and opportunities. Furthermore, the paper analyzes the implications of advanced materials for the environment and their alignment with sustainability objectives. The future landscape is speculated, highlighting trends such as nanomaterials, bioinspired materials, customization, and digital integration, each poised to reshape U.S. manufacturing competitiveness. Strategic recommendations are provided for policy-makers, researchers, and industry stakeholders, emphasizing collaboration, sustainability incentives, and ethical considerations to foster a conducive environment for material innovation. The synthesis of these efforts could lead to breakthroughs in manufacturing technology and enhance U.S. economic and ecological resilience. In conclusion, the paper underscores the significance of innovative material integration for U.S. manufacturing competitiveness. It explores the intersection of cutting-edge science, economic growth, and environmental stewardship, presenting a compelling narrative of how advanced materials are poised to redefine industries and establish the U.S. as a beacon of responsible innovation on the global stage. Keywords: Innovative Material Integration, Modern Manufacturing, U.S. Competitiveness, Sustainable Global Economy, Advanced Materials, Environmental Sustainability.

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Section: Highlighting Case Studies Of Materials Integrationmentioning

confidence: 99%

Exploring Innovative Material Integration in Modern Manufacturing for Advancing U.S. Competitiveness in Sustainable Global Economy

Nwakamma Ninduwezuor-Ehiobu,

Olawe Alaba Tula,

Chibuike Daraojimba

et al. 2023

Eng. sci. technol. j.

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“…Meanwhile, after unloading, it can produce recovery force, which drives crack closure and ECC material deformation recovery. Additionally, randomly distributed SMA fibers can provide crack closure and deformation recovery ability for ECC in any direction [11]. The mechanical properties of ECC materials made by mixing SMA and PVA fibers were studied by ML Nehdi [12][13] et al The results showed that SMA fibers significantly improved the tensile and bending properties of ECC compared to ECC with only PVA fibers.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of SMA/PVA-ECC under Uniaxial Tensile Loading

Yang

Zhong

et al. 2023

Preprint

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Although SMA/PVA hybrid fiber reinforced cementitious composites (SMA/PVA-ECC) exhibit excellent crack closure and deformation recovery capabilities, the research on their fundamental mechanical properties is still limited. This study investigates the tensile mechanical properties of SMA/PVA-ECC materials by conducting uniaxial tensile tests, analyzing the failure behavior, stress-strain curves, and characteristic parameters of the specimens, comparing the influence of SMA fiber content and diameter, and establishing a tensile constitutive model. The results show that the residual crack width of SMA/PVA-ECC specimens significantly decreases after unloading, and the SMA fiber content and diameter have a significant impact on the tensile properties of the specimens. The comprehensive tensile properties of specimens with a fiber diameter of 0.2 mm and content of 0.2% are the best, with their initial cracking strength, ultimate strength, and strain increasing by 56.4%, 23.6%, and 13.4%, respectively, compared to ECC specimens. The proposed bilinear tensile constitutive model has high accuracy. This study provides a theoretical basis for further research on SMA/PVA-ECC materials.

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Effects of bacterial consortium enhanced recycled coarse aggregates on self‐healing concrete immobilized with Bacillus megaterium MTCC 1684 and Bacillus subtilis NCIM 2193

Bakr,

Hussain,

Singh

et al. 2023

Structural Concrete

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The strength and durability properties of the recycled aggregate concrete (RAC) have been affected by the cracks and the weak interfacial transition zone (ITZ) of the recycled coarse aggregates (RCA). However, the mechanical and physical features of RCA can be improved by microbially induced calcite precipitation (MICP). Therefore, immobilization techniques were used to protect and maintain the high efficiency of Bacillus bacteria for the formation and precipitation of calcium carbonates in self‐healing concrete over a period of time. The objective of the present study was to show the viability of the immobilized bacterial consortium‐enhanced RCA to form self‐healing cracks. Further, the self‐healing capability of enhanced RCA was investigated along with two other immobilization methods, that is, RCA and hydrated lime and brick powder (HBr)‐immobilized bacteria. The experimental results show that the increase in the bio‐deposition time improved the physical and mechanical properties of the RCA. Further, subsequently 56 days of the healing incubation period, the immobilized consortium‐enhanced RCA concrete specimens completely healed the cracks of width 0.58 mm. However, the equivalent cracks of width 0.56 mm were also recovered by the HBr immobilized bacterial cultures. Furthermore, the field emission scanning electron microscope (FESEM), energy dispersive spectroscopy (EDS) and X‐ray diffraction (XRD) analysis revealed that the existence of precipitation at the crack surface was calcium carbonate with a regular cubic‐shaped and lamellar layer morphology. The outcomes of the current study show that consortium‐enhanced RCA has promising potential to develop self‐healing concrete with self‐repaired and improved durability properties in the concrete construction field.

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Diverse perspectives on self healing ability of Engineered Cement Composite – All-inclusive insight

Cited by 23 publications

References 99 publications

Exploring Innovative Material Integration in Modern Manufacturing for Advancing U.S. Competitiveness in Sustainable Global Economy

Exploring Innovative Material Integration in Modern Manufacturing for Advancing U.S. Competitiveness in Sustainable Global Economy

Mechanical Properties of SMA/PVA-ECC under Uniaxial Tensile Loading

Effects of bacterial consortium enhanced recycled coarse aggregates on self‐healing concrete immobilized with Bacillus megaterium MTCC 1684 and Bacillus subtilis NCIM 2193

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