Materials: Update Aluminum-6061-T6 (#23977)

* Materials: Update Aluminum-6061-T6

* Materials: Update Aluminum-6061-T6 fixups

src/Mod/Material/Resources/Materials/Standard/Metal/Aluminum/Aluminum-6061-T6.FCMat

@@ -1,11 +1,11 @@
 ---
-# File created by ConvertFCMat.py
 General:
   UUID: "68b152b2-fd5e-4f10-8db0-1a2df3fe0fda"
-  Author: "Mandeep Singh"
-  License: "CC-BY-3.0"
+  Author: "FreeCAD"
+  License: "CC-BY-4.0"
   Name: "Aluminum 6061-T6"
   Description: "Precipitation-hardened, Nonferrous Aluminum alloy"
+  SourceURL: "https://asm.matweb.com/search/SpecificMaterial.asp?bassnum=ma6061t6"
 Inherits:
   Aluminum:
     UUID: "d1f317f0-5ffa-4798-8ab3-af2ff0b5182c"
@@ -16,15 +16,21 @@ Models:
   MaterialStandard:
     UUID: '1e2c0088-904a-4537-925f-64064c07d700'
     KindOfMaterial: "Aluminium"
+    MaterialNumber: "A96061"
+    StandardCode: "UNS"
   LinearElastic:
     UUID: '7b561d1d-fb9b-44f6-9da9-56a4f74d7536'
     Density: "2700 kg/m^3"
     PoissonRatio: "0.33"
+    ShearModulus: "26.0 GPa"
     UltimateTensileStrength: "310 MPa"
-    YoungsModulus: "69000 MPa"
+    YieldStrength: "276 MPa"
+    YoungsModulus: "68900 MPa"
   Thermal:
     UUID: '9959d007-a970-4ea7-bae4-3eb1b8b883c7'
+    SpecificHeat: "896 J/kg/K"
     ThermalConductivity: "167 W/m/K"
+    ThermalExpansionCoefficient: "0.0000236 m/m/K"
   Costs:
     UUID: '881df808-8726-4c2e-be38-688bb6cce466'
     ProductURL: "https://en.wikipedia.org/wiki/6061_aluminium_alloy"