Tensile strength of Nickel-iron

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SUMMARY

The tensile strength of Nickel-iron, particularly Invar, varies significantly based on its treatment, with annealed forms exhibiting minimum strength and cold-worked forms demonstrating increased strength. Key resources for tensile strength data include the Nickel Development Institute (NDI) and MatWeb, which provide comprehensive information on Nickel-iron alloys. The presence of Widmannstätten structure may influence brittleness, although this requires further investigation. For precise tensile strength values, consulting supplier data sheets is recommended.

PREREQUISITES
  • Understanding of Nickel-iron alloys, specifically Invar
  • Knowledge of material treatment processes such as annealing and cold-working
  • Familiarity with resources like the Nickel Development Institute (NDI)
  • Ability to interpret technical data sheets from suppliers
NEXT STEPS
  • Research the mechanical properties of Invar and its applications
  • Learn about the effects of cold-working on metal strength
  • Explore the Widmannstätten structure and its impact on material properties
  • Investigate tensile strength testing methods for Nickel-iron alloys
USEFUL FOR

Materials scientists, metallurgists, and engineers involved in the study and application of Nickel-iron alloys, particularly those focused on mechanical properties and material performance in engineering applications.

Tris Fray Potter
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Hi! I'm not sure if this is the right place to post this, but what the tensile strength of Nickel-iron, or where would I be able to find it?
 
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Tris Fray Potter said:
what the tensile strength of Nickel-iron, or where would I be able to find it?
Is one referring to Invar? http://www.nickel-alloys.net/invar_nickel_iron_alloy.html

Strength will depend on whether it is annealed (minimum strength) or cold-worked, with strength increasing as a function of cold-work.

One should be able to find information at the Nickel Development Institute (NDI)
https://www.nickelinstitute.org/~/media/Files/TechnicalLiterature/36_Nickel_IronAlloyforLowTemperatureService_410_.ashx

or MatWeb, or suppliers

http://www.nealloys.com/pdf/Nickel-Iron-Comparison-Chart-Element-chart.pdf
 
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Does the presence of Widmannstätten structure make nickel-iron brittler?
 

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