Material properties at elevated temperature

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Discussion Overview

The discussion revolves around obtaining material properties, specifically fracture toughness and density, of alloys, ceramics, and fused quartz at elevated temperatures. Participants share resources and methods for finding these properties, addressing challenges in sourcing accurate data.

Discussion Character

  • Homework-related
  • Technical explanation
  • Exploratory

Main Points Raised

  • One participant expresses difficulty in finding material properties for high-temperature applications, specifically fracture toughness of fused quartz at 500°C.
  • Another participant suggests consulting the ASM Handbook and NIST Database as potential resources for material properties.
  • A third participant reiterates the suggestion of the ASM Handbook and NIST Database, providing links to these resources and mentioning the American Ceramics Society as another potential source.
  • There is a follow-up question regarding the density of gases at high temperatures, with a suggestion that the ideal gas law could provide a fair approximation.
  • For improved accuracy in gas density, one participant mentions looking up Van der Waals constants from the CRC Handbook.

Areas of Agreement / Disagreement

Participants generally agree on the usefulness of specific handbooks and databases for finding material properties, but the initial poster expresses frustration over the difficulty in locating the desired information. The discussion remains unresolved regarding the specific values sought.

Contextual Notes

Participants acknowledge the challenges in finding specific material properties, indicating that some values may be difficult to locate or may not exist in readily available resources.

Who May Find This Useful

This discussion may be useful for students or researchers working on projects involving material properties at high temperatures, particularly in fields related to materials science, engineering, and applied physics.

alex-book
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Hi everyone, Please help me, I am almost dying for this project.
I am doing a project that is dealing with high temperature, and i would like to ask you guys, is there any way to get the material properties of alloy, ceramics, or glass(fused quartz) at high temperature?

i have tried to check the CRC handbook but yet, still doesn't really get what i wanted. and i have tried google scholar too, yet no luck...is it either me suck at finding stuff or these value are really hard to find or doesn't exist(this is so impossible!)

I am trying to get a fracture of toughness of fused quartz at 500 C, and other properties

Thanks!
 
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Gokul43201 said:
In general, you could try the appropriate ASM Handbook or NIST Database.

http://products.asminternational.org/hbk/index.jsp
http://www.acers.org/cic/propertiesdb.asp

ACS (Am. Ceramics Soc.) may have something useful too.

For the fracture toughness of fused quartz, see: http://www3.interscience.wiley.com/journal/119568051/abstract?CRETRY=1&SRETRY=0

WOW! thanks gokul! i ve been trying to find one but i cant!
appriciate it!

1 more question though, for material density (especiall gas) at high temperature? do you know where i could find those? thanks!
 
Last edited by a moderator:
At sufficiently high temperatures, the ideal gas law will give you a fair approximation of the density of a gas. If you're worried about the accuracy, you could perhaps look up the Van der Waals constants (in CRC) for the gas in question to get a more accurate value for the density.
 

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