Results 91 to 100 of about 249,617 (307)

A Contact Model for the Effect of Particle Coating on Improving the Flowability of Cohesive Powders

open access: yesKONA Powder and Particle Journal, 2014
Coating or blending of fine particles on the surface of primary powder particles is often applied to improve and control the flow behavior of the powder.
Renwei Mei   +3 more
doaj   +1 more source

Understanding the Stochastic Nature of Process Parameter Development of Blown Powder Laser Beam Directed Energy Deposition Additive Manufacturing of Pure Molybdenum

open access: yesAdvanced Engineering Materials, EarlyView.
Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies   +2 more
wiley   +1 more source

The Formulation of Titanium - based Metal Feedstocks and the Fabrication of Parts using the Powder Injection Moulding Process

open access: yes, 2015
Development of a profitable titanium industry for New Zealand will not come about without innovative technologies. Plastic injection moulding has long held a place in NZ manufacturing to produce large quantities of complex parts and holds the key to such
Ewart, Paul Douglas
core  

Numeral Analysis of Powder Flow Filed on Coaxial Feeding Nozzle Forced by Gas in 3D Printing

open access: yes工程科学与技术, 2016
:Aiming at the shortage of repairing broken parts with spreading powder roller in existing 3D printing equipment, a novel coaxial feeding nozzle with a combination of sending powder and glue simultaneously was proposed in this paper.
Deng Zhenbo, Mei Xiaoqin
doaj  

Research Progress and Current Status of Gas–Solid Two-Phase Flow Technology in the Direction of Laser Cladding

open access: yesMicromachines
In the process of laser cladding, there are usually problems such as powder plugging and uneven delivery, which affect the quality of the final cladding layer.
Jianjun Peng   +6 more
doaj   +1 more source

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

open access: yesAdvanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee   +7 more
wiley   +1 more source

Advanced Powder Characterization for Laser Powder-Bed Fusion of AlSi10Mg

open access: yes, 2018
Laser Powder-Bed Fusion is an additive manufacturing technique that allows to produce complex parts. Apart from process parameters, a key aspect of this system is powder quality, which strongly affects processability.
CARROZZA, ALESSANDRO   +7 more
core  

A new powder encapsulation method and its implications on densification by hot isostatic pressing [PDF]

open access: yes, 1993
Hot isostatic pressing is now an accepted material processing technique for the consolidation of metal powders to near-net-shape components. This thesis examines the use of coatings as in-situ envelopes to overcome the problems associated with ...
Downing, M, Downing, M.
core  

Numerical analysis of air effect on the powder flow dynamics in the FT4 Powder Rheometer

open access: yesEPJ Web of Conferences, 2017
The FT4 powder rheometer of Freeman Technology is widely used nowadays in industry for characterisation of particle flow under dynamic conditions of shear strain rate.
Nan Wenguang   +3 more
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy