Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Device for preparing combinatorial libraries in powder metallurgy.

Shoufeng Yang1, Julian R G Evans

  • 1Department of Materials, Queen Mary, University of London, Mile End Road, London, E1 4NS U.K.

Journal of Combinatorial Chemistry
|July 13, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ferroelectricity-modulated asymmetric van der Waals heterostructure for ultralow-power neuromorphic synapse and logic-in-memory operations.

Nature communications·2026
Same author

Thermodynamic framework for assessing dissolutive wetting behaviors in metallic systems.

Nature communications·2025
Same author

Superior Biomechanics of Patient-Specific Mandibular Reconstruction Plate: A Validated Computational-Experimental Framework.

Annals of biomedical engineering·2025
Same author

Biomechanics of Manual-Bent Versus Patient-Specific Mandibular Implants.

Journal of biomechanical engineering·2025
Same author

Encapsulation, characterization and in vitro releasing of xylanase and glucose oxidase (GOD) into cellulose nanocrystals stabilized three-layer microcapsules.

International journal of biological macromolecules·2024
Same author

Biomechanical feasibility of non-locking system in patient-specific mandibular reconstruction using fibular free flaps.

Journal of the mechanical behavior of biomedical materials·2023

A novel powder-metering mechanism uses acoustic vibration for precise control in creating multicomponent metal and cermet samples. This method ensures microstructural fidelity for metallurgical and material testing applications.

Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Powder Metallurgy

Background:

  • Producing consistent, high-fidelity samples from multicomponent powder systems is crucial for material evaluation.
  • Existing methods for powder handling can be prone to errors, especially with fine powders, impacting sample integrity.
  • The development of automated systems for combinatorial material science is essential for efficient discovery.

Purpose of the Study:

  • To describe a new powder-metering, -mixing, and -dispensing mechanism for creating numerous samples from multicomponent metal and cermet systems.
  • To ensure the produced samples accurately reflect the microstructure of finished products by using commercial powders.
  • To present an analysis of mixing errors as a function of sample size for combinatorial libraries.

Main Methods:

Related Experiment Videos

  • Development of a powder metering valve utilizing acoustic vibration for on/off and flow rate control of dry powders in open capillaries.
  • Design of a system capable of arranging multiple valves on a platform to create multicomponent combinatorial libraries.
  • Analysis of potential sources of mixing error in relation to sample size within the combinatorial device.

Main Results:

  • The powder metering valve operates without relative movement, effectively preventing seizure with fine powders.
  • The mechanism allows for the production of particle assemblies suitable for consolidation via die pressing, isostatic pressing, laser sintering, or direct melting.
  • An analysis of mixing error as a function of sample size was conducted and is presented.

Conclusions:

  • The described powder-metering mechanism offers a reliable and precise method for generating diverse material samples.
  • The system facilitates the creation of multicomponent combinatorial libraries, advancing materials discovery and testing.
  • Understanding and mitigating mixing errors is critical for the successful application of this technology in materials science.