add heat treatment section and mechanical properties section and further example values

data/INFO.json

@@ -1,6 +1,10 @@
 [{
   "Name": "Name of the material",
   "Formula": "Formula of the material",
+  "Heat treatment": {
+    "Hardening": "Precipitation hardening or age hardening or particle hardening"
+    "Temper": "Tempering relieves stresses in the metal that were caused by the hardening process. precipitation hardening"
+  },
   "CAS Reg No.": "Chemical Abstracts Service Registry Number",
   "Mol. weight": "Molecular weight (relative molar mass)",
   "Physical Form": {
@@ -23,6 +27,9 @@
   "Electromagnetic Data": {
     "chi_m": "Magnetic susceptibility; Molar susceptibility \[\chi\ti{m} = \kappa V\ti{m} = \kappa M / \rho \] where \(\kappa\) is the volume susceptibility, \(V\ti{m}\) is the molar volume of the substance, \(M\) the molar mass, and \(\rho\) the mass density. \(\kappa = \bold{M}/\bold{H}\) where \(\bold{H}\) is the magnetic filed and \(\bold{M}\) is magnetic moment per unit volume.",
   },
+  "Mechanical Properties": {
+    "Yield strength": "R_{p0.2}"
+  },
   "Thermodynamic Properties": {
     "Crystal, Liquid, Gas": {
       "Delta_f H°": "Standard molar enthalpy (heat) of formation at 298.15 K in kj/mol. 0.0 indicates the reference state.",
@@ -62,9 +69,23 @@
   "Source": "Sources"
 },
 {
+  "Name": "Name of the material",
+  "Alloy": {
+    "Standard": "EN AW xxxx",
+    "Type": "non heat-treatable"
+  },
+  "Formula": "Al, AlMg4.5Mn0.7",
+  "Heat treatment": {
+    "Temper": "homogenized and stress relieved, O3"
+  },
+  "CAS Reg No.": "7429-90-5",
+  "Mol. weight": 26.982,
   "Physical Form": {
     "color": "silvery-white metal",
-    "crystal": "cubic crystals"
+    "crystal": "cubic|cubic crystals"
+  },
+  "Mechanical Properties": {
+    "Yield strength": ["110-130", "MPa"]
   },
   "Source": [
     {