0011658: Bronze, steel and bone have incorrect material value placeholders

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Date Submitted

Last Update

0011658

Dwarf Fortress

Material Properties

public

2020-12-06 13:12

Reporter

Putnam

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Priority

none

Severity

feature

Reproducibility

N/A

Status

new

Resolution

open

Platform

OS Version

Product Version

0.47.04

Target Version

Fixed in Version

Summary

0011658: Bronze, steel and bone have incorrect material value placeholders

Description

One can calculate bulk modulus, shear modulus and young's modulus from any of the other two, or from any of those plus poisson's ratio. As such, we can calculate bronze, steel and bone's placeholder values.

Bronze:

[COMPRESSIVE_STRAIN_AT_YIELD:899] 67
[SHEAR_STRAIN_AT_YIELD:384] 44.8

Steel:

[SHEAR_STRAIN_AT_YIELD:538] 80

Bone:

[COMPRESSIVE_STRAIN_AT_YIELD:3846] bulk modulus 26 GPa
[TENSILE_STRAIN_AT_YIELD:53] young's modulus 66 GPa
[SHEAR_STRAIN_AT_YIELD:114] shear modulus 30.7 GPa

Bronze shear modulus sourced from: http://www.engineeringtoolbox.com/modulus-rigidity-d_946.html [^]
Bone poisson ratio and young's modulus sourced from: http://www.researchgate.net/publication/5323754_Experimental_determination_of_Young_modulus_and_Poisson_ratio_in_cortical_bone_tissue_using_high_resolution_scanning_acoustic_microscopy_and_nanoindentation [^]

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