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Electron‐Deficient Linkers Enhance H2O2 Electrosynthesis in Covalent Organic Frameworks

Advanced Functional Materials, EarlyView.
Linker π‐conjugation modulates the electronic state of the Ni–N4 centers and their interaction with the key *OOH intermediate while preserving the primary coordination motif. NiPc‐PTDA delivers an H2O2 selectivity of 92% and a production rate of 34.8 mol gcat−1 h−1, highlighting linker electronic properties as a molecular design parameter for NiPc ...
Houting Xie, Rui Guo, Zhen Liu, Yang Hu, Laichun Zhao, Omid Mazaheri, Bufeng Zhang, Shuaijun Pan   +7 more
wiley   +1 more source

Mechanical Alloying of Aluminium Alloys

Mechanical alloying is a solid-state powder processing technique that has revolutionized the development of advanced materials, including aluminium alloys. This chapter provides a concise overview of the key aspects of mechanical alloying applied to aluminium alloys, exploring its principles, advantages, and potential applications.
Rayappa Shrinivas Mahale, Krishnamurthy P. Goggi, Shamanth Vasanth, Gangadhar M. Kanaginahal, Vaibhav S. Raibole, P. C. Sharath, Rajendrachari Shashanka, Prashant Kakkamari, Adarsh Patil   +8 more
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Mechanical Alloying and Milling

Key Engineering Materials, 1995
Mechanical alloying and milling. - In: Nonequilibrium materials / ed.: J. Lendvai. - Aedermannsdorf : Trans Tech Publ., 1995. - S. 113-124.
Herr, Ulrich
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Mechanical alloying of Mg2Si

Scripta Metallurgica et Materialia, 1995
Mg{sub 2}Si is an intermetallic compound with low density (1.95 gcm{sup {minus}3}) and a rather high melting point (1,087 C). Due to its lightweight and thermophysical properties it is suitable for structural applications. It is also promising as a basic material for the thermoelectric energy conversion. A problem is its synthesis because magnesium and
Riffel, M., Schilz, J.
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The mechanism of mechanical alloying

Metallurgical transactions, 1974
The mechanical alloying process is a new method for producing composite metal powders with controlled microstructures. It is unique in that it is an entirely solid state process, permitting dispersion of insoluble phases such as refractory oxides and addition of reactive alloying elements such as aluminum and titanium.
J. S. Benjamin, T. E. Volin
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Mechanical behavior and properties of mechanically alloyed aluminum alloys

Metallurgical and Materials Transactions A, 1996
The fracture and deformation behaviors of several product forms produced from mechanically alloyed (MA) aluminum alloys 9052 and 905XL were studied. The main operative strengthening mechanism is strengthening due to the submicron grain size. Ductility and toughness were found to be controlled by the morphology of the prior particle boundaries.
H. R. Last, R. K. Garrett
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ALLOY PHASE FORMATION BY MECHANICAL ALLOYING: CONSTRAINTS AND MECHANISMS

Modern Physics Letters B, 1992
Alloy phase formation in binary metallic systems by mechanical alloying (MA) of elemental powders is briefly reviewed. Our recent results indicate the inadequacy of the current understanding of the MA process, which has been depicted as an isothermal solid-state interdiffusion reaction under interfacial, metastable, equilibrium in layered composites ...
E. MA, M. ATZMON
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Mechanisms of Mechanical Alloying

1998
Unlike conventional processes in which materials are produced either by melting or sintering at high temperature, synthesis of different types of materials using the mechanical alloying or milling process is generally carried our at room temperature although temperature may rise during milling.
L. Lü, M. O. Lai
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Mechanics of Quasi-Periodic Alloys

Journal of Nonlinear Science, 2005
A general description of the nonlinear mechanical behavior of quasi-periodic alloys is presented: It accounts for the rearrangements of atomic clusters (phason activity) and is based on a Lagrange-d'Alambert-type principle where phason dissipative effects are included.
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Aluminium Alloys by Mechanical Alloying

Aircraft Engineering and Aerospace Technology, 1987
After years of research, an important development in powder metallurgy is about to enter commercial production with the commissioning by Inco Alloys International of its $4 million plant in Pittsboro, North Carolina, to produce aluminium and other light metal alloys by mechanical alloying.
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