Producing Iron-Rich Spheres at 1500°C

[Andre-]

Hi. I am having trouble finding sources to the information that i am seeking (sometimes you find really good phyisics/chemistry books through google).

Nm particles of iron 100 nm has the same melting point as iron in bulk. Is there any chemistry books online that shows why even small particles of iron must be heated up to 1500C in order to produce iron-rich spheres?. iron-rich spheres can only be produced by a very high temperature of 1500C even if the particles are very small, as i understand it. As i understand it, it is impossible to get iron-rich spheres from just heating metals with low temperatures of 500C...

So what i am looking for is some good sources or websites that explains all this, i am offcourse interested in hearing your comments also.

Thanks for the help in advance.

 

[Valerie Park]

One source that may be of help is the book, “Heat Transfer and Thermodynamics” by J. D. Anderson. This book discusses how the melting point of a material is affected by particle size, and provides an explanation for why very small particles of iron must be heated to 1500C in order to produce iron-rich spheres. Additionally, the book covers the thermodynamic principles involved in the transformation of metals form one phase to another. Another helpful source is the article, “Thermodynamics and Kinetics of Iron Oxide Nanoparticle Synthesis”, which can be found online. This article explains why the temperature must be so high in order to produce iron-rich spheres from small particles of iron, and also explores the effects of particle size on the rate of reaction during the synthesis process. Finally, the website of the American Institute of Physics (AIP) provides a number of resources related to thermodynamics and heat transfer. You can access various articles, tutorials and discussion forums about the topics, as well as find links to relevant books.

 

[sir-pinski]

Hello,

Thank you for reaching out. I can understand your frustration in finding reliable sources for your research. When it comes to scientific information, it is always best to refer to peer-reviewed journals or books from reputable publishers.

I did a quick search and found a few sources that may be helpful to you. One is a research paper titled "Synthesis of Iron Nanoparticles via Chemical Reduction Method and Their Characterization" by S. S. Sridhar and R. Subramanian, published in the Journal of Nanoscience and Nanotechnology. This paper discusses the production of iron nanoparticles and the factors that affect their melting point.

Another source is the book "Nanoparticle Technology Handbook" by Masuo Hosokawa, Kiyoshi Nogi, and Makio Naito, which has a chapter on the synthesis of iron nanoparticles and the effects of temperature on their properties.

I also suggest checking out the website of the National Nanotechnology Initiative, which has a section on iron nanoparticles and their applications.

In general, smaller particles have a higher surface area compared to bulk materials, which results in a higher melting point due to increased surface energy. This is why even small particles of iron require a high temperature of 1500°C to form iron-rich spheres.

I hope these sources will be helpful to you in your research. Good luck!