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diff --git a/Material_Science/material_science_ch_11.ipynb b/Material_Science/material_science_ch_11.ipynb new file mode 100755 index 00000000..eddc35e2 --- /dev/null +++ b/Material_Science/material_science_ch_11.ipynb @@ -0,0 +1,194 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 11: Mechanical Properties"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ " Example 11.1, page no-332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Stress produced in an Al\n",
+ "\n",
+ "import math\n",
+ "#Variable Declaration\n",
+ "ld=2000.0 # Load applied\n",
+ "g=9.8 # Acceleration due to gravity in m/s^2\n",
+ "r=0.005 # radious of test piece\n",
+ "\n",
+ "#Calculation\n",
+ "force=ld*g\n",
+ "stress= force/(math.pi*r**2)\n",
+ "\n",
+ "#Result\n",
+ "print('The stress produce in an aluminium alloy is %.1f MPa'%(stress*10**-6))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The stress produce in an aluminium alloy is 249.6 MPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.2, page no-332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# perentage elongation and reduction\n",
+ "\n",
+ "import math\n",
+ "#Variable Declaration\n",
+ "lf=53.75*10**-3\n",
+ "l0=50*10**-3\n",
+ "df=9.4*10**-3\n",
+ "d0=8.8*10**-3\n",
+ "\n",
+ "#Calculation\n",
+ "pl=(lf-l0)*100.0/l0\n",
+ "pa=((math.pi*df**2)-(math.pi*d0**2))*100.0/(math.pi*df**2)\n",
+ "\n",
+ "#Result\n",
+ "print('\\nThe %% elongation is %.1f%% and \\nthe %% reduction in area is %.2f%%'%(pl,pa))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "The % elongation is 7.5% and \n",
+ "the % reduction in area is 12.36%\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.3, page no-332"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Brinell Hardness Number\n",
+ "\n",
+ "import math\n",
+ "#Variable Declaration\n",
+ "ts=937.0 # Tensile strength of steel\n",
+ "\n",
+ "\n",
+ "#Calculation\n",
+ "bhn=ts/3.45\n",
+ "\n",
+ "#Result\n",
+ "print('The Brinell Hardness Number is %.2f'%bhn)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The Brinell Hardness Number is 271.59\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.4, page no-333"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Tensile strength and fatigue limit of Steel plate\n",
+ "\n",
+ "import math\n",
+ "#Variable Declaration\n",
+ "p=3000.0 # Load applied\n",
+ "D=10.0 # diameter of the indenter\n",
+ "d=2.2 # diameter of the impression\n",
+ "\n",
+ "#Calculation\n",
+ "Hb=2*p/(math.pi*D*(D-math.sqrt(D**2-d**2)))\n",
+ "Hb= math.floor(Hb*10)/10\n",
+ "ts=3.45*Hb\n",
+ "fl=0.5*ts\n",
+ "\n",
+ "#Result\n",
+ "print('\\nBrinell Hardness Number of steel Plate, Hb=%.1f\\n'%Hb)\n",
+ "print('\\nThe Tensile strength of steel plate is %.3f MPa\\n'%ts)\n",
+ "print('\\nThe Fatigue limit of steel plate is %.4f MPa'%fl)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Brinell Hardness Number of steel Plate, Hb=779.5\n",
+ "\n",
+ "\n",
+ "The Tensile strength of steel plate is 2689.275 MPa\n",
+ "\n",
+ "\n",
+ "The Fatigue limit of steel plate is 1344.6375 MPa\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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