1. | Malviya, Kirtman D; Oliveira, Eliezer F; Autreto, Pedro A S; Ajayan, Pulickel M; Galvao, D S; Tiwary, Candra S; Chattopadhyay, Kumanio : Mixing the immiscible through high-velocity mechanical impacts: an experimental and theoretical study. In: Journal of Physics D: Applied Physics, 52 (44), pp. 445304, 2019. (Type: Journal Article | Abstract | Links | BibTeX) @article{Malviya2019, title = {Mixing the immiscible through high-velocity mechanical impacts: an experimental and theoretical study}, author = {Malviya, Kirtman D and Oliveira, Eliezer F and Autreto, Pedro A S and Ajayan, Pulickel M and Galvao, D S and Tiwary, Candra S and Chattopadhyay, Kumanio}, url = {https://iopscience.iop.org/article/10.1088/1361-6463/ab36d1/meta}, doi = {10.1088/1361-6463/ab36d1}, year = {2019}, date = {2019-08-20}, journal = {Journal of Physics D: Applied Physics}, volume = {52}, number = {44}, pages = {445304}, abstract = {In two-component metallic systems, thermodynamic immiscibility leads to phase separation such as in two-phase eutectic compositional alloys. The limit of the immiscibility of component elements under non-equilibrium conditions have been explored, but achieving complete miscibility and formation of single phase microstructures in eutectic alloys would be unprecedented. Here we report that during low-temperature ball milling that provides high energy impact, complete mixing of phases can occur in immiscible Ag-Cu eutectic alloys. From combined theoretical and experimental studies, we show that impact can produce solid solutions of Ag-Cu nanoparticles of eutectic composition. Our results show that phase diagrams of low dimensional materials under non-equilibrium conditions remain unexplored and could lead to new alloy microstructures drastically different from their bulk counterparts.}, keywords = {}, pubstate = {published}, tppubtype = {article} } In two-component metallic systems, thermodynamic immiscibility leads to phase separation such as in two-phase eutectic compositional alloys. The limit of the immiscibility of component elements under non-equilibrium conditions have been explored, but achieving complete miscibility and formation of single phase microstructures in eutectic alloys would be unprecedented. Here we report that during low-temperature ball milling that provides high energy impact, complete mixing of phases can occur in immiscible Ag-Cu eutectic alloys. From combined theoretical and experimental studies, we show that impact can produce solid solutions of Ag-Cu nanoparticles of eutectic composition. Our results show that phase diagrams of low dimensional materials under non-equilibrium conditions remain unexplored and could lead to new alloy microstructures drastically different from their bulk counterparts. |
2. | Rout Arpan; Gumaste, Anurag; Pandey Praful; Oliveira Eliezer; Demiss Solomon; Mahesh; Bhatt Chintan; Raphael Kiran; Ayyagari Ravi; Autreto Pedro; Palit Mithun; Femi Olu Emmanuel; Galvao Douglas; Arora Amit; Tiwary Chandra P: Bio-inspired Aluminum Composite reinforced with Soft polymer with enhanced strength and plasticity (under review). In: 2019. (Type: Journal Article | BibTeX) @article{Rout2019, title = {Bio-inspired Aluminum Composite reinforced with Soft polymer with enhanced strength and plasticity (under review)}, author = {Rout, Arpan; Gumaste, Anurag; Pandey, Praful; Oliveira, Eliezer; Demiss, Solomon; P., Mahesh; Bhatt, Chintan; Raphael, Kiran; Ayyagari, Ravi; Autreto, Pedro; Palit, Mithun; Femi, Olu Emmanuel; Galvao, Douglas; Arora, Amit; Tiwary, Chandra}, year = {2019}, date = {2019-03-30}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
3. | Routa, Arpan; Pandeyb, Praful; Oliveira, Eliezer Fernando; da Autreto, Pedro Alves Silva; Gumastea, Anurag; Singha, Amit; Galvao, Douglas Soares; Aroraa, Amit; Tiwary, Chandra Sekhar: Atomically locked interfaces of metal (Aluminum) and Polymer (Polypropylene) using mechanical friction. In: Polymer, 169 , pp. 148-153, 2019. (Type: Journal Article | Abstract | BibTeX) @article{Routa2019, title = {Atomically locked interfaces of metal (Aluminum) and Polymer (Polypropylene) using mechanical friction}, author = {Arpan Routa and Praful Pandeyb and Eliezer Fernando Oliveira and Pedro Alves da Silva Autreto and Anurag Gumastea and Amit Singha and Douglas Soares Galvao and Amit Aroraa and Chandra Sekhar Tiwary}, year = {2019}, date = {2019-02-23}, journal = {Polymer}, volume = {169}, pages = {148-153}, abstract = {Joining different parts is one of a crucial component of designing/engineering of materials. The current energy, low efficiency weight automotive and aerospace components commonly consist of different class of materials, such as metal, polymer, and ceramics, etc. Joining these components remains a challenge. Here, we demonstrate joining of metal (aluminum) and polymer (PP) using mechanical friction. The detailed characterisation demonstrates that atomically locked interfaces are formed in such joining without the presence of any chemical bond at the interfaces. The waterproof and strong interface is formed in such process. Fully atomistic molecular dynamics simulations were also carried out to provide further insights on these mechanisms.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Joining different parts is one of a crucial component of designing/engineering of materials. The current energy, low efficiency weight automotive and aerospace components commonly consist of different class of materials, such as metal, polymer, and ceramics, etc. Joining these components remains a challenge. Here, we demonstrate joining of metal (aluminum) and polymer (PP) using mechanical friction. The detailed characterisation demonstrates that atomically locked interfaces are formed in such joining without the presence of any chemical bond at the interfaces. The waterproof and strong interface is formed in such process. Fully atomistic molecular dynamics simulations were also carried out to provide further insights on these mechanisms. |
2019 |
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3. | ![]() | Malviya, Kirtman D; Oliveira, Eliezer F; Autreto, Pedro A S; Ajayan, Pulickel M; Galvao, D S; Tiwary, Candra S; Chattopadhyay, Kumanio Mixing the immiscible through high-velocity mechanical impacts: an experimental and theoretical study Journal Article Journal of Physics D: Applied Physics, 52 (44), pp. 445304, 2019. Abstract | Links | BibTeX | Tags: Mechanical Properties, Metal, Molecular Dynamics @article{Malviya2019, title = {Mixing the immiscible through high-velocity mechanical impacts: an experimental and theoretical study}, author = {Malviya, Kirtman D and Oliveira, Eliezer F and Autreto, Pedro A S and Ajayan, Pulickel M and Galvao, D S and Tiwary, Candra S and Chattopadhyay, Kumanio}, url = {https://iopscience.iop.org/article/10.1088/1361-6463/ab36d1/meta}, doi = {10.1088/1361-6463/ab36d1}, year = {2019}, date = {2019-08-20}, journal = {Journal of Physics D: Applied Physics}, volume = {52}, number = {44}, pages = {445304}, abstract = {In two-component metallic systems, thermodynamic immiscibility leads to phase separation such as in two-phase eutectic compositional alloys. The limit of the immiscibility of component elements under non-equilibrium conditions have been explored, but achieving complete miscibility and formation of single phase microstructures in eutectic alloys would be unprecedented. Here we report that during low-temperature ball milling that provides high energy impact, complete mixing of phases can occur in immiscible Ag-Cu eutectic alloys. From combined theoretical and experimental studies, we show that impact can produce solid solutions of Ag-Cu nanoparticles of eutectic composition. Our results show that phase diagrams of low dimensional materials under non-equilibrium conditions remain unexplored and could lead to new alloy microstructures drastically different from their bulk counterparts.}, keywords = {Mechanical Properties, Metal, Molecular Dynamics}, pubstate = {published}, tppubtype = {article} } In two-component metallic systems, thermodynamic immiscibility leads to phase separation such as in two-phase eutectic compositional alloys. The limit of the immiscibility of component elements under non-equilibrium conditions have been explored, but achieving complete miscibility and formation of single phase microstructures in eutectic alloys would be unprecedented. Here we report that during low-temperature ball milling that provides high energy impact, complete mixing of phases can occur in immiscible Ag-Cu eutectic alloys. From combined theoretical and experimental studies, we show that impact can produce solid solutions of Ag-Cu nanoparticles of eutectic composition. Our results show that phase diagrams of low dimensional materials under non-equilibrium conditions remain unexplored and could lead to new alloy microstructures drastically different from their bulk counterparts. |
2. | Rout Arpan; Gumaste, Anurag; Pandey Praful; Oliveira Eliezer; Demiss Solomon; Mahesh; Bhatt Chintan; Raphael Kiran; Ayyagari Ravi; Autreto Pedro; Palit Mithun; Femi Olu Emmanuel; Galvao Douglas; Arora Amit; Tiwary Chandra P Bio-inspired Aluminum Composite reinforced with Soft polymer with enhanced strength and plasticity (under review) Journal Article 2019. BibTeX | Tags: Metal, Molecular Dynamics, Polymers @article{Rout2019, title = {Bio-inspired Aluminum Composite reinforced with Soft polymer with enhanced strength and plasticity (under review)}, author = {Rout, Arpan; Gumaste, Anurag; Pandey, Praful; Oliveira, Eliezer; Demiss, Solomon; P., Mahesh; Bhatt, Chintan; Raphael, Kiran; Ayyagari, Ravi; Autreto, Pedro; Palit, Mithun; Femi, Olu Emmanuel; Galvao, Douglas; Arora, Amit; Tiwary, Chandra}, year = {2019}, date = {2019-03-30}, keywords = {Metal, Molecular Dynamics, Polymers}, pubstate = {published}, tppubtype = {article} } | |
1. | ![]() | Routa, Arpan; Pandeyb, Praful; Oliveira, Eliezer Fernando; da Autreto, Pedro Alves Silva; Gumastea, Anurag; Singha, Amit; Galvao, Douglas Soares; Aroraa, Amit; Tiwary, Chandra Sekhar Atomically locked interfaces of metal (Aluminum) and Polymer (Polypropylene) using mechanical friction Journal Article Polymer, 169 , pp. 148-153, 2019. Abstract | BibTeX | Tags: Composites, Metal, Molecular Dynamics, Polymers @article{Routa2019, title = {Atomically locked interfaces of metal (Aluminum) and Polymer (Polypropylene) using mechanical friction}, author = {Arpan Routa and Praful Pandeyb and Eliezer Fernando Oliveira and Pedro Alves da Silva Autreto and Anurag Gumastea and Amit Singha and Douglas Soares Galvao and Amit Aroraa and Chandra Sekhar Tiwary}, year = {2019}, date = {2019-02-23}, journal = {Polymer}, volume = {169}, pages = {148-153}, abstract = {Joining different parts is one of a crucial component of designing/engineering of materials. The current energy, low efficiency weight automotive and aerospace components commonly consist of different class of materials, such as metal, polymer, and ceramics, etc. Joining these components remains a challenge. Here, we demonstrate joining of metal (aluminum) and polymer (PP) using mechanical friction. The detailed characterisation demonstrates that atomically locked interfaces are formed in such joining without the presence of any chemical bond at the interfaces. The waterproof and strong interface is formed in such process. Fully atomistic molecular dynamics simulations were also carried out to provide further insights on these mechanisms.}, keywords = {Composites, Metal, Molecular Dynamics, Polymers}, pubstate = {published}, tppubtype = {article} } Joining different parts is one of a crucial component of designing/engineering of materials. The current energy, low efficiency weight automotive and aerospace components commonly consist of different class of materials, such as metal, polymer, and ceramics, etc. Joining these components remains a challenge. Here, we demonstrate joining of metal (aluminum) and polymer (PP) using mechanical friction. The detailed characterisation demonstrates that atomically locked interfaces are formed in such joining without the presence of any chemical bond at the interfaces. The waterproof and strong interface is formed in such process. Fully atomistic molecular dynamics simulations were also carried out to provide further insights on these mechanisms. |
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