Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


android tablet pc

Home > Press > Scientists Use Nanotubes to Boost Fracture Toughness of Zirconia-Based Ceramic

Abstract:
Researchers from Iran University of Science and Technology in association with scientists from EPFL University, Switzerland, and Stockholm University, Sweden, tripled the fracture toughness in zirconia-based ceramic structures by using carbon nanotubes.

Scientists Use Nanotubes to Boost Fracture Toughness of Zirconia-Based Ceramic

Tehran, Iran | Posted on February 23rd, 2014

The ceramic, having appropriate distribution of carbon nanotubes on a zirconia base and possessing highly desirable mechanical properties, has various applications in advanced industries, including aerospace, electronics, and medical engineering.

Mahdiyar Taheri, M.Sc. in materials engineering and metallurgy in Iran University of Science and Technology, elaborated on different stages of the research, and said, "Carbon nanotubes were firstly distributed in a ceramic bed by using Turbula mixer, and the samples were baked through the new method of spark plasma sintering (SPS). The produced samples were next characterized by using SEM and TEM devices. After the baking process at various temperatures, mechanical properties were evaluated at room temperature (determination of fracture toughness through cone penetration method) and at high temperature (through mechanical spectrometry method)."

Results confirmed the appropriate distribution of carbon nanotubes in zirconia matrix at high volume ratio at dry environment. Among other important results obtained by the researchers, mention can be made of significant improvement in fracture toughness due to the simultaneous effect of the presence of carbon nanotubes in the base and increasing the size of particles in the stabilized zirconia bed, modification in high temperature properties of the compound, and appropriate cooking of the bodies.

The production of ceramic bodies through the method proposed in this research, which has useful characteristics, including thermal and electrical properties and biocompatibility, may resolve the problems in the use of ceramic implants and thermal devices used in various industries.

Results of the research have been published in Ceramics International, vol. 40, issue 2, March 2014, pp. 3347-3352.

####

For more information, please click here

Copyright © Fars News Agency

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Sunblock poses potential hazard to sea life August 20th, 2014

Rice physicist emerges as leader in quantum materials research: Nevidomskyy wins both NSF CAREER Award and Cottrell Scholar Award August 20th, 2014

Graphene may be key to leap in supercapacitor performance August 20th, 2014

Newly-Developed Nanobiosensor Quickly Diagnoses Cancer August 20th, 2014

Nanotubes/Buckyballs

Iranian Scientists Stabilize Protein on Highly Stable Electrode Surface August 14th, 2014

SouthWest NanoTechnologies Appoints Matteson-Ridolfi for U.S. Distribution of its SMW™ Specialty Multiwall Carbon Nanotubes August 13th, 2014

Immune cells get cancer-fighting boost from nanomaterials August 13th, 2014

SouthWest NanoTechnologies Inc. Announces $2.7 Million in New Financing to Fund Growth, Plant Expansion and Technical Personnel August 11th, 2014

Discoveries

Sunblock poses potential hazard to sea life August 20th, 2014

Rice physicist emerges as leader in quantum materials research: Nevidomskyy wins both NSF CAREER Award and Cottrell Scholar Award August 20th, 2014

Newly-Developed Nanobiosensor Quickly Diagnoses Cancer August 20th, 2014

Ultrasonic Waves Applied in Production of Graphene Nanosheets August 20th, 2014

Materials/Metamaterials

Rice physicist emerges as leader in quantum materials research: Nevidomskyy wins both NSF CAREER Award and Cottrell Scholar Award August 20th, 2014

Promising Ferroelectric Materials Suffer From Unexpected Electric Polarizations: Brookhaven Lab scientists find surprising locked charge polarizations that impede performance in next-gen materials that could otherwise revolutionize data-driven devices August 18th, 2014

Nano Bonds Increase Raw Strength of Fireproof Concretes August 18th, 2014

Molecular engineers record an electron's quantum behavior August 14th, 2014

Announcements

Rice physicist emerges as leader in quantum materials research: Nevidomskyy wins both NSF CAREER Award and Cottrell Scholar Award August 20th, 2014

Graphene may be key to leap in supercapacitor performance August 20th, 2014

Newly-Developed Nanobiosensor Quickly Diagnoses Cancer August 20th, 2014

Ultrasonic Waves Applied in Production of Graphene Nanosheets August 20th, 2014

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals

Sunblock poses potential hazard to sea life August 20th, 2014

Newly-Developed Nanobiosensor Quickly Diagnoses Cancer August 20th, 2014

Ultrasonic Waves Applied in Production of Graphene Nanosheets August 20th, 2014

The channel that relaxes DNA: Relaxing DNA strands by using nano-channels: Instructions for use August 20th, 2014

Research partnerships

Сalculations with Nanoscale Smart Particles August 19th, 2014

Promising Ferroelectric Materials Suffer From Unexpected Electric Polarizations: Brookhaven Lab scientists find surprising locked charge polarizations that impede performance in next-gen materials that could otherwise revolutionize data-driven devices August 18th, 2014

Nano Bonds Increase Raw Strength of Fireproof Concretes August 18th, 2014

Production of Toxic Ion Nanosorbents with High Sorption Capacity in Iran August 17th, 2014

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More














ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2014 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE