Results 151 to 160 of about 7,254,380 (299)

OntOMat: Toward Ontology‐Based Product and Process Design Engineering and Optimization Solutions Fueling Circular Value Chains

open access: yesAdvanced Engineering Materials, EarlyView.
The OntOMat ontology establishes a structured framework for polymer matrix fiber reinforced composite materials, integrating manufacturing processes, characterization methods, and multiscale design through the VDI/VDE 3682 formalized process description standard.
Nicolas Christ   +19 more
wiley   +1 more source

Semantic Modeling in Materials Science and Engineering With Platform MaterialDigital Core Ontology 3.0

open access: yesAdvanced Engineering Materials, EarlyView.
The community‐driven Platform MaterialDigital Core Ontology (PMDco) 3.0 is introduced as a Basic Formal Ontology‐aligned semantic backbone for the processing–structure–properties paradigm in Materials Science and Engineering. Modular engineering, automated releases, and validation workflows are highlighted and key semantic patterns for materials ...
Markus Schilling   +15 more
wiley   +1 more source

An Explicit Constitutive Reconstruction Framework for Mechanical Characterization of Miniaturized 3D‐Printed Specimens

open access: yesAdvanced Engineering Materials, EarlyView.
An explicit constitutive reconstruction framework enables accurate tensile characterization of miniaturized additively manufactured specimens using only the grip‐to‐grip displacement measurements. Progressive validation through self‐consistency, analytical comparison, and inverse finite element method (iFEM) benchmarking demonstrates constitutive ...
Junqing Leng   +4 more
wiley   +1 more source

Postprivatization Corporate Governance: the Role of Ownership Structure and Investor Protection [PDF]

open access: yes
We investigate the role of ownership structure and investor protection in postprivatization corporate governance. We find that the government relinquishes control over time, mainly to the benefit of local institutions and foreign investors.
Narjess Boubakri   +2 more
core  

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

The Evolution of Ownership Structure in Firms Privatized through Wholesale Schemes in the Czech Republic and Poland [PDF]

open access: yes
We compare the change in ownership concentration in firms privatized through two different programs of mass privatization: the Czech voucher scheme and the Polish program of National Investment Funds.
Irena Grosfeld, Iraj Hashi
core  

Choice of ownership structure and firm performance: Evidence from Estonia [PDF]

open access: yes
In this paper we use rich panel data for a representative sample of Estonian enterprises to analyse diverse issues related to the determinants of ownership structures and ownership changes after privatisation.
Niels Mygind, Derek C. Jones, Panu Kalmi
core   +2 more sources

Entropy‐Driven Design of Low‐Melting‐Point Alloys via Compositionally Complex Strategy

open access: yesAdvanced Engineering Materials, EarlyView.
Conventional low‐melting‐point alloys (LMPAs) are limited by a narrow compositional space and inherent property trade‐offs. This review presents an entropy‐driven design strategy that overcomes these limitations, ushering in a new class of low‐melting‐point compositionally complex alloys (LMCCAs).
Yinghui Shang   +6 more
wiley   +1 more source

Corporate Ownership Structure and Performance in Europe [PDF]

open access: yes
In this paper, we show that ownership structures vary considerably across Europe, and that the dominant form ofownership is not necessarily the most efficient one. These findings are in contradiction to similar research basedon US samples.
Thomas Kirchmaier, Jeremy Grant
core  

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