add further data

data/aluminum.json

@@ -43,7 +43,7 @@
     ],
     "rho(T)": {
       "rho_m": [2.375, "g/cm³"],
-      "k": [0.000233, "g/cm³ °C"],
+      "k": [0.000233, "g/cm³/°C"],
       "Tmax": [1340, "°C"]
     },
     "p_b(T)": {
@@ -69,16 +69,16 @@
       "Crystal": {
         "Delta_f H°": [0.0, "kJ/mol"],
         "Delta_f G°": null,
-        "S°": [28.3, "J/mol K"],
-        "cp": [0.897, "J/g K"],
-        "Cp": [24.20, "J/mol K"]
+        "S°": [28.3, "J/mol/K"],
+        "cp": [0.897, "J/g/K"],
+        "Cp": [24.20, "J/mol/K"]
       },
       "Liquid": null,
       "Gas": {
         "Delta_f H°": [330.0, "kJ/mol"],
         "Delta_f G°": [289.4, "kJ/mol"],
-        "S°": [164.6, "J/mol K"],
-        "Cp": [21.4, "J/mol K"]
+        "S°": [164.6, "J/mol/K"],
+        "Cp": [21.4, "J/mol/K"]
       },
       "Delta_vap H": [
         [
@@ -162,8 +162,13 @@
     "Heat treatment": {
       "Temper": "homogenized and stress relieved, O3"
     },
+    "Electromagnetic Data": {
+      "Electrical conductivity": ["16-18", "m/Ω/mm²"]
+    },
     "Mechanical Properties": {
-      "T": ["20-25", "°C"],
+      "Temperature": ["20-25", "°C"],
+      "Density": [2.66, "g/cm³"],
+      "Young modulus": [70, "GPa"],
       "Yield strength": ["110-130", "MPa"],
       "Ultimate tensile strength": ["230-290", "MPa"],
       "Elongation": ["10-15", "%"],
@@ -171,6 +176,11 @@
         "HBW": ["68-75", "2.5/62.5"]
       }
     },
+    "Thermodynamic Properties": {
+      "Crystal": {
+        "Coefficient of thermal expansion": [23.3, "m/µm/K"]
+      }
+    },
     "Source": {
       "Type": "Web",
       "URL": "https://gleich.de/en/wp-content/uploads/sites/4/2016/10/en_g.al_c250.pdf"