Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Defect and pore concentration simulation in an amorphous alloy of boron and cobalt

23.03.2006


Simulation of local microstructure of amorphous alloys



Modern engineering places increasing demands on components. It is the job of the designers and materials scientists to create components that are up to the challenge.

Many new materials and components can be time consuming and expensive to manufacture with costs escalating if samples or trials prove unsuitable. Computer modelling goes some way to minimizing the developments costs and fast tracking development.


Some of the more sophisticated computer modelling programs are able to model the material and its structure before test samples even are produced. This includes the location of flaws and prediction of lifetime and failure.

In the case of amorphous materials, pores and clusters of pores can radically change the properties of the material when compared to a solid crystal. In this paper by Pham Khac Hung, Do Minh Nghiep, Hoang Van Hue and Nguyen Van Hong from Hanoi University of Technology, they were able to simulate the microstructure in the amorphous system CoxB1-x to provide information on pore clusters, localized structural characteristics and pore concentration.

Their calculated results corresponded with experimental results and found the number of pores was largely influenced by changes in boron concentration. The calculation of angle, pore number, atom number and free volume distributions reveals that increasing the boron concentration in the system disorders the structure of amorphous alloys. It also showed that there were more pores found around cobalt atoms than around boron atoms.

Dr. Ian Birkby | EurekAlert!
Further information:
http://www.azom.com/Details.asp?ArticleID=3306

More articles from Materials Sciences:

nachricht A new tool for discovering nanoporous materials
23.05.2017 | Ecole Polytechnique Fédérale de Lausanne

nachricht Did you know that packaging is becoming intelligent through flash systems?
23.05.2017 | Heraeus Noblelight GmbH

All articles from Materials Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Turmoil in sluggish electrons’ existence

An international team of physicists has monitored the scattering behaviour of electrons in a non-conducting material in real-time. Their insights could be beneficial for radiotherapy.

We can refer to electrons in non-conducting materials as ‘sluggish’. Typically, they remain fixed in a location, deep inside an atomic composite. It is hence...

Im Focus: Wafer-thin Magnetic Materials Developed for Future Quantum Technologies

Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications.

Ferrimagnets are composed of two centers which are magnetized at different strengths and point in opposing directions. Two-dimensional, quasi-flat ferrimagnets...

Im Focus: World's thinnest hologram paves path to new 3-D world

Nano-hologram paves way for integration of 3-D holography into everyday electronics

An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday...

Im Focus: Using graphene to create quantum bits

In the race to produce a quantum computer, a number of projects are seeking a way to create quantum bits -- or qubits -- that are stable, meaning they are not much affected by changes in their environment. This normally needs highly nonlinear non-dissipative elements capable of functioning at very low temperatures.

In pursuit of this goal, researchers at EPFL's Laboratory of Photonics and Quantum Measurements LPQM (STI/SB), have investigated a nonlinear graphene-based...

Im Focus: Bacteria harness the lotus effect to protect themselves

Biofilms: Researchers find the causes of water-repelling properties

Dental plaque and the viscous brown slime in drainpipes are two familiar examples of bacterial biofilms. Removing such bacterial depositions from surfaces is...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

AWK Aachen Machine Tool Colloquium 2017: Internet of Production for Agile Enterprises

23.05.2017 | Event News

Dortmund MST Conference presents Individualized Healthcare Solutions with micro and nanotechnology

22.05.2017 | Event News

Innovation 4.0: Shaping a humane fourth industrial revolution

17.05.2017 | Event News

 
Latest News

Scientists propose synestia, a new type of planetary object

23.05.2017 | Physics and Astronomy

Zap! Graphene is bad news for bacteria

23.05.2017 | Life Sciences

Medical gamma-ray camera is now palm-sized

23.05.2017 | Medical Engineering

VideoLinks
B2B-VideoLinks
More VideoLinks >>>