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Additive Layer Manufacturing (ALM), also broadly known as 3D printing, is a new technology to produce 3D objects. As an opposite approach to the conventional subtractive manufacturing process, 3D objects are created by adding thin material…

密码学与安全 · 计算机科学 2016-02-25 Mark Yampolskiy , Todd R. Andel , J. Todd McDonald , William B. Glisson , Alec Yasinsac

Due to their exceptional mechanical and chemical properties and their natural abundance, cellulose nanocrystals (CNCs) are promising building blocks of sustainable polymer composites. However, the rapid gelation of CNC dispersions has…

应用物理 · 物理学 2021-08-20 Abhinav Rao , Thibaut Divoux , Crystal Owens , A. John Hart

Powder bed fusion is a widely used additive manufacturing (AM) process for producing complex, small-batch parts that are impractical to manufacture using conventional methods. However, its broader adoption is hindered by process-induced…

最优化与控制 · 数学 2025-06-12 Yulin Guo , Boris Kramer

Enhancement of thermal performance of concrete wall is nowadays of great importance in reducing the operational energy demand of buildings. We developed a new kind of inorganic coating material based on \ce{SiO2}-\ce{Al2O3}-rich minerals…

Calcium aluminate cement (CAC), calcium carbonate (CaCO$_3$), calcium hydroxide [Ca(OH)$_2$] and calcium oxide (CaO) were investigated in alumina-based macroporous compositions for $\textit{in situ}$ formation of hibonite (also known as…

应用物理 · 物理学 2020-01-31 O. H. Borges , T. Santos , R. R. B. Oliveira , V. R. Salvini , V. C. Pandolfelli

Aluminum nitride (AlN) is an extremely promising material for integrated photonics because of the combination of strong \c{hi}2 and \c{hi}3 nonlinearities. However, the intrinsic hardness of the material and charging effects during electron…

In this paper, the technology of growing ammonium dihydrogen phosphate (ADP) crystals in pores of nanoporous aluminum oxide (Al2O3) matrices was presented. On the grown nanocomposites, the optical properties of such structures were studied.…

A new class of crack-resistant nickel-based superalloy containing high $\gamma^\prime$ fraction is studied for the laser-powder bed fusion (L-PBF) process. The effects of the (Nb+Ta)/Al ratio is emphasised, a strategy that is shown to…

Zinc alloys have emerged as promising candidates for biodegradable materials due to their remarkable biocompatibility and favorable mechanical characteristics. The incorporation of alloying elements plays an essential role in advancing the…

Recent investigations of the dynamic compressive strength of cold isostatically pressed composites of polytetrafluoroethylene (PTFE), tungsten (W) and aluminum (Al) powders show significant differences depending on the size of metallic…

软凝聚态物质 · 物理学 2009-11-13 E. B. Herbold , J. Cai , D. J. Benson , V. F. Nesterenko

Polymer composites were manufactured using biocarbon particles as a reinforcing filler to improve the mechanical and thermal properties. However, a detailed examination of dispersion and agglomeration of filler is essential to correlate the…

应用物理 · 物理学 2021-06-10 J. George , D. Bhattacharyya

The structural, magnetic, vibrational and electronic properties of single layer aluminum oxide (AlO2) are investigated by performing state-of-the-art first-principles calculations. Total energy optimization and phonon calculations reveal…

材料科学 · 物理学 2022-02-10 A. Kutay Ozyurt , Deniz Molavali , Hasan Sahin

One usual way to strengthen a metal is to add alloying elements and to control the size and the density of the precipitates obtained. However, precipitation in multicomponent alloys can take complex pathways depending on the relative…

The dynamic mechanical properties of reactive materials (e.g., high density mixtures of polytetraflouroethylene (PTFE), aluminum (Al) and tungsten (W) powders) can be tailored by changing the morphology of the particles and porosity. Cold…

软凝聚态物质 · 物理学 2009-11-13 J. Cai , V. F. Nesterenko , K. S. Vecchio , E. B. Herbold , D. J. Benson , F. Jiang , J. W. Addiss , S. M. Walley , W. G. Proud

We present an optimization-driven approach to creating a double-tough ceramic material with a brick-and-mortar microstructure, where the mortar is itself transformation-toughened, engineered with the goal of simultaneously achieving high…

应用物理 · 物理学 2024-06-21 Francesco Aiello , Jian Zhang , Johannes C. Brouwer , Mauro Salazar , Diletta Giuntini

High-temperature alloy design requires a concurrent consideration of multiple mechanisms at different length scales. We propose a workflow that couples highly relevant physics into machine learning (ML) to predict properties of complex…

材料科学 · 物理学 2020-09-04 Jian Peng , Yukinori Yamamoto , Jeffrey A. Hawk , Edgar Lara-Curzio , Dongwon Shin

This paper reviews the use of relatively new manufacturing method called as additive manufacturing, most often mentioned as 3D printing in fabrication of high performance superalloys. The overview of the article describes the structure,…

应用物理 · 物理学 2018-05-31 Apoorv Kulkarni

Using ab initio Density Functional Theory (DFT) calculations, we investigate the electronic structure, phase stability, and magnetic properties of equiatomic binary alloys between Al and 3d magnetic transition elements (Cr, Mn, Fe, Co, and…

材料科学 · 物理学 2025-10-28 Haireguli Aihemaiti , Esmat Dastanpour , Anders Bergman , Levente Vitos

This paper presents fracture response of alkali-activated slag (AAS) mortars with up to 30% (by volume) of slag being replaced by waste iron powder which contains a significant fraction of elongated particles. The elongated iron particles…

材料科学 · 物理学 2019-01-07 Sumeru Nayak , Ahmet Kizilkanat , Narayanan Neithalath , Sumanta Das

Although nanocrystalline alloys regularly exhibit high strengths, their use in structural applications often face challenges due to sample size limitations, unstable microstructures, and the limited ability to plastically deform. The…