Results 21 to 30 of about 1,698 (215)

Strontium isotope mapping of elephant enamel supports an integrated microsampling-modeling workflow to reconstruct herbivore migrations. [PDF]

open access: yesCommun Biol
Strontium isotope ratios (87Sr/86Sr) in dental tissues are widely used to study animal and human migration. However, questions remain regarding how different biological processes and sampling methods influence measured 87Sr/86Sr and subsequent ...
Yang D   +5 more
europepmc   +2 more sources

Conduction-Based Thermally Assisted Micromilling Process for Cutting Difficult-to-Machine Materials

open access: yesJournal of Manufacturing and Materials Processing, 2020
The increasing demand for complex and wear-resistant forming tools made of difficult-to-machine materials requires efficient manufacturing processes. In terms of high-strength materials; highly suitable processes such as micromilling are limited in their
Timo Platt   +2 more
doaj   +1 more source

A Simple Micromilled Microfluidic Impedance Cytometer with Vertical Parallel Electrodes for Cell Viability Analysis

open access: yesMicromachines, 2023
Microfluidic impedance cytometry has been demonstrated as an effective platform for single cell analysis, taking advantage of microfabricated features and dielectric cell sensing methods.
Jason Eades   +5 more
doaj   +1 more source

Protocol for Sampling Sequential Fin Spine Growth Intervals for Isotope Analysis in the Atlantic Bluefin Tuna

open access: yesFrontiers in Marine Science, 2020
BackgroundMicromilled fish otoliths (ear bones) have been widely used for stable oxygen (δ18O) and carbon (δ13C) isotope analysis. The first dorsal fin spine is routinely used for ageing in the eastern Atlantic bluefin tuna (ABFT) population; however ...
Patricia Lastra Luque   +3 more
doaj   +1 more source

Evaluation of Tool Path Strategy and Cooling Condition Effects on the Cutting Force and Surface Quality in Micromilling Operations

open access: yesMetals, 2017
Compared to milling on a macro scale, the micromilling process has several cumbersome points that need to be addressed. Rapid tool wear and fracture, severe burr formation, and poor surface quality are the major problems encountered in the micromilling ...
Ugur Koklu, Gültekin Basmaci
doaj   +1 more source

Effect of Tool Coating and Cutting Parameters on Surface Roughness and Burr Formation during Micromilling of Inconel 718

open access: yesMetals, 2021
Surface roughness and burr formation are among the most important surface quality metrics which determine the quality of the fabricated parts. High precision machined microparts with complex features require micromachining process to achieve the desired ...
Atif Muhammad   +4 more
doaj   +1 more source

Simulation-Based and Experimental Investigation of Micro End Mills with Wiper Geometry

open access: yesMicromachines, 2021
One of the major advantages of micromachining is the high achievable surface quality at highly flexible capabilities in terms of the machining of workpieces with complex geometric properties.
Timo Platt   +3 more
doaj   +1 more source

Green-state micromilling of AISI316L feedstock

open access: green, 2017
Powder metallurgy offers products characterized by unique properties and minimum material waste. However, the deformation in debinding and sintering phases and the limited attainable surface finish, may requires additional manufacturing steps for enabling high-quality components production.
Paolo Parenti   +4 more
openalex   +3 more sources

Micromilling of Ti-6Al-4V alloy for high-aspect-ratio thin walls and dimensional error compensation based on an online compensation system [PDF]

open access: goldMechanical Sciences
The requirements of fabrication quality of high-aspect-ratio (HAR) thin walls made of titanium alloy are increasing in various engineering fields. However, there is a lack of studies investigating the fabrication of HAR thin walls with high-dimensional ...
Yang Li, Xiang Cheng
openalex   +2 more sources

Investigation of Gyroscopic Effect on the Stability of High Speed Micromilling via Bifurcation Analysis

open access: yesJournal of Manufacturing and Materials Processing, 2021
Catastrophic tool failure due to the low flexural stiffness of the micro-tool is a major concern for micromanufacturing industries. This issue can be addressed using high rotational speed, but the gyroscopic couple becomes prominent at high rotational ...
Rinku K. Mittal, Ramesh K. Singh
doaj   +1 more source

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