Identifying Material Based on Density

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SUMMARY

This discussion focuses on identifying materials based on their densities, specifically three types of wood and two metals. The densities provided are Wood A: 0.646 g/cm³, Wood B: 0.178 g/cm³, Wood C: 0.634 g/cm³, Light Metal: 2.95 g/cm³, and Dark Metal: 8.48333 g/cm³. Recommended resources for density tables include the National Institute of Standards and Technology (NIST) and the Engineering Toolbox. Variations in density due to moisture content and temperature should be considered when identifying materials.

PREREQUISITES
  • Understanding of material density concepts
  • Familiarity with the properties of woods and metals
  • Knowledge of measurement conversions between metric and imperial systems
  • Basic skills in data comparison and analysis
NEXT STEPS
  • Research the NIST database for material properties
  • Explore the Engineering Toolbox for density tables
  • Learn about the effects of moisture content on material density
  • Investigate additional properties of materials for identification purposes
USEFUL FOR

This discussion is beneficial for students conducting material identification experiments, educators teaching material science, and anyone involved in woodworking or metalworking who needs to understand material properties.

AKG
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My sister has an experiment where she's found the densities of 3 woods and 2 metals, and is asked to identify the materials based on these calculations. Does anyone know of any good links to tables that has various woods and metals and their densities. I have a table of properties of various woods, but the densities she found don't exactly show up on the table. Thanks. In case you happen to know off-hand, or if it helps finding an appropriate table, the values are:

Wood A : 0.646 g/cm³
Wood B : 0.178 g/cm³
Wood C : 0.634 g/cm³
Light Metal : 2.95 g/cm³
Dark Metal : 8.48333... g/cm³
 
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http://www.mc2-ice.com/popular_conversion/popular_conversion_files/material/weights.html

But you have to convert to the US/Brit measurement (imperial).

Hope this helps

___________________
Mark
 
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There are many resources available online that provide tables of densities for various materials, including woods and metals. One useful source is the National Institute of Standards and Technology (NIST) website, which has a searchable database of material properties. Another option is the Engineering Toolbox website, which has a comprehensive list of densities for common materials, including woods and metals.

In terms of your sister's experiment, it is important to note that the densities of materials can vary depending on factors such as moisture content and temperature. It may be helpful to compare the values she obtained to a range of densities for each material rather than relying on a single value. Additionally, it may be useful to consider other properties of the materials, such as color and texture, to further aid in their identification.

I hope these resources are helpful in identifying the materials your sister tested. Good luck with the experiment!
 

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