add permittivity, compressive strength and annotation for mechanical properties and seven new materials

src/data/example.json

@@ -17,7 +17,8 @@
   },
   "Electromagnetic Data": {
     "chi_m": [16.5e-6, "cm³/mol"],
-    "sigma": ["16-18", "m/Ω/mm²"]
+    "sigma": ["16-18", "m/Ω/mm²"],
+    "epsilon_r": ["7±1", "F/m"]
   },
   "Mechanical Properties": {
     "T": ["20-25", "°C"],
@@ -30,23 +31,27 @@
       "R_p02": ["110-130", "MPa"]
     },
     "R_m": ["230-290", "MPa"],
+    "R_m'": [">1100", "MPa"],
     "Elongation": {
       "A_5": ["10-15", "%"]
     },
     "Hardness": {
+      "HM": 2.5,
+      "HB": [260, "MPa"],
       "HBW": ["68-75", "2.5/62.5"]
     },
     "Anodising": {
       "AH": 2,
       "ASA": 4
-    }
+    },
+    "Annotation": "T_Max<10h = 500 °C; T_Max>=10h = 450 °C"
   },
   "Heat treatment": {
     "Temper": "homogenized and stress relieved, O3"
   },
   "Thermodynamic Properties": {
     "Crystal": {
-      "alpha": [23.3, "m/µm/K"],
+      "alpha": [23.3, "µm/m/K"],
       "lambda": ["110-130", "W/m/K"],
       "cp": [900, "J/kg/K"]
     }