Results 41 to 50 of about 3,787 (194)

Simulation and experimental study on the self-sharpening mechanism of polycrystalline cBN abrasive grit based on Voronoi diagram

Journal of Materials Research and Technology
Polycrystalline cBN (PcBN) abrasive grits have a unique microstructure that contributes to the self-sharpening ability of grinding wheels. However, their self-sharpening mechanism is still unknown, resulting in uncontrollable wear.
Yejun Zhu, Lin Wang, Zhaoqin Zhang, Maohua Xiao   +3 more
doaj   +1 more source

Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration

Advanced Functional Materials, EarlyView.
Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley   +1 more source

Simulasi Komputer Untuk Memprediksi Besarnya Daya Pemotongan Pada Proses Cylindrical Turning Berdasarkan Parameter Undeformed Chip Thickness [PDF]

, 2002
In metal cutting using machine tool, the power required to perform machining operation is influenced by cutting parameters. Some of these parameters are feed, depth of cut, cutting speed and metal removal rate. Undeformed chip thickness is the thickness
Soegihardjo, O. (Oegik)
core  

Triply‐Twinned Metamaterials: Unraveling the Mechanics and Failure Pathways Through High‐Resolution XCT

Advanced Materials, EarlyView.
Triply‐twinned architected lattices transform deformation from bending to stretching of struts, delivering up to threefold increases in stiffness and strength across polymeric and metallic systems. High‐resolution synchrotron XCT and image‐based simulations reveal how meta‐grain architecture, defects, and AM build orientation govern failure pathways ...
David McArthur, George Maddison, Jaianth Vijayakumar, Paul Tafforeau, Kathy Christofidou, Peter David Lee, PJ Tan, Chu Lun Alex Leung   +7 more
wiley   +1 more source

Grinding characteristics of ultrafine-grained wheels utilizing agglomerated ultrafine diamond abrasives

Journal of Materials Research and Technology
Agglomerated ultrafine diamond (AUD) abrasives were developed to enhance the grinding stability of ultrafine-grained wheels for hard-brittle materials.
Chao Tang, Mingen Zhao, Wentao Liu, Zeyu Wang, Xiaojun Gao, Yongwei Zhu, Jun Li   +6 more
doaj   +1 more source

Material‐Induced Nuclear Deformation Controls Chromatin Architecture in Adipose Stem Cells

Advanced Science, EarlyView.
Tuning cell and cytoskeleton mechanics modulated nuclear shape and heterochromatin organization in ASCs. Distinct cytoskeletal architectures induced nuclear morphologies from oblate to prolate ellipsoids. Large elongated cells with a structured actin cap exhibited high nuclear strain, driving nuclear envelope deformation and heterochromatin ...
Carlo F. Natale, Luca Messina, Valeria Panzetta, Stefania Saporito, Costantino Menna, Maurizio Ventre, Paolo A. Netti   +6 more
wiley   +1 more source

Dynamic mechanical behavior of K417G superalloy: development of Johnson-Cook constitutive model and its application in single-grit grinding

Materials & Design
Precision grinding of K417G superalloy, a key material for hot-end components of aero-engines, is plagued by large grinding forces and excessive heat generation.
Ning Qian, Chengxiang Li, Ziyu Liu, Yuting Sun, Yusuf Kaynak, Lama Anggei, Zhengcai Zhao, Yucan Fu   +7 more
doaj   +1 more source

Liquid Metals in Radio Frequency Applications: A Review of Physics, Manufacturing, and Emerging Technologies

Advanced Electronic Materials, EarlyView.
This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley   +1 more source

Investigation of Titanium Alloy Cutting Dynamics in Thin-Layer Machining

Applied Sciences
Manufacturing in modern industrial sectors involves the machining of components where the undeformed chip thickness inevitably decreases to values comparable to the tool edge radius.
Anna Zawada-Tomkiewicz, Emilia Zeuschner, Dariusz Tomkiewicz   +2 more
doaj   +1 more source

Re‐evaluation of a soft crested Edmontosaurin, with implications for hadrosaurid life appearance and diversity

The Anatomical Record, EarlyView.
Abstract Hadrosaurid dinosaurs are generally regarded as “crested” or “non‐crested” depending on the presence or absence of a bony cranial crest. At least one supposedly “non‐crested” hadrosaur is known to have possessed a soft tissue cranial crest (or comb), based on an exceptionally preserved “mummified” specimen. Here we redescribe this specimen and
Henry S. Sharpe, Phil R. Bell, Ian Baylatry, Robin Sissons, Corwin Sullivan   +4 more
wiley   +1 more source