From a455671a652e9e986aa314c2da403a4b7f8f9b11 Mon Sep 17 00:00:00 2001 From: Alvie Rahman Date: Wed, 5 Oct 2022 10:50:10 +0100 Subject: [PATCH] mmme2045 lecture 1 --- .../materials_in_design.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100755 uni/mmme/2xxx/2045_materials_in_design/materials_in_design.md diff --git a/uni/mmme/2xxx/2045_materials_in_design/materials_in_design.md b/uni/mmme/2xxx/2045_materials_in_design/materials_in_design.md new file mode 100755 index 0000000..4a08dd5 --- /dev/null +++ b/uni/mmme/2xxx/2045_materials_in_design/materials_in_design.md @@ -0,0 +1,18 @@ +--- +author: Akbar Rahman +date: \today +title: MMME2045 // Materials in Design +tags: [ uni, mmme2045, materials ] +uuid: eb10418c-4bfa-4b3f-941b-cbc53e3d5eee +--- + +# Material Selection + +# Terminology + +- Light alloys --- metals with densities of less than 4.5 gcm$^{-1}$ and typically less than 3 + characterised by higher strength to weight ratio than typical steel alloys +- Cast --- as-cast condition. Cooling rate and grain refiners are key to improve strength and toughness +- Wrought --- (rolled, extruded, forged) Properties rely on appropriate heat treatment or working + such as precipitation hardening or work hardening +