Page 89 - Caitlin Cole
P. 89

Caitlin Cole                                                       Metallic                                                                C00238644




                                                                                          Rationale Behind Material Choice       Technical Specifications                                         Process
                                                                                          This material choice was inspired by an old               •Hard

                                                                                     piece of rusted cast iron found in a shed. The                 •Tough                                                          1
                                                                                  colours seemed like a challenge to replicate and                  •Durable                                                       Cut out a template
                                                                               it seemed like an unusual task to make the rust too                  •Ductile                                                       from wood creating
                                                                                                                                                                                                                   a flat, a curve and
    Rusted Cast                                                            rather than just a clean piece of metal.                                 •Alternate properties by                                       a seam
                                                                                                                                                     cooling rate


    Iron                                                                 Historical                                     Contextual               Previlance of Use

                                                                                                                                                                                                                    2
                                                                    •As eary as the 6th century BC                    •In some of the               •Frying pans                                                   Cut out a 100x100
                                                                  •Was cheaper than Wrought Iron                      earliest sky scrapers         •Building structure                                            polymer piece and
  Cast Iron is an alloy metal made                              •In 20th century, steel replaced Iron                 •Auto parts                   •Machine parts                                                 bend it along the
                                                                                                                                                                                                                   bend it along the
  of 2 to 4 percent carbon, along                              •First important structural metal                      •Outdoor- water               •Farming equipment                                             template using a
                                                                                                                                                                                                                   heat gun
  with magnesium, silicon and                                                                                          sewage disposal              •Cement Mixers
  traces of sulphur and
  phosphorus. Without a protecive
  layering of carbonised oil, cast                          Manufacturing &                    Trial and Error                               Reflection                                                             3
  iron is susceptible to rusting.                        Finishing Process                                                                                                                                         Prime the surface
  iron is susceptible to rusting.
                                                                                                     The trial and error stage of this                 This material was a                                         x5, wet and dry
                                                      •Iron is extracted from iron ore                                                                 challenge. I was about                                      sanding with each
                                                    •Ore melted and separated into pig               was difficult. I used many different              to give up before coming                                    layer
                                                      ironand slag                                   types of paint including acrylic and              to my last resort which was
                                                 •Furnace is heated and slag rises and               watercolour, with a huge variety                  the cinnamon. I am happy

                                                is removed                                           of colour combinations before                     that I stuck with the challenge.
                                             •Remaining carbon is combined with iron                 finding an alternative-cinnamon,                                                                               4
                                             steel and limestone
                                             steel and limestone                                                                                                                                                   Coat the surface with a
                                                                                                                                                                                                                   Coat the surface with a
                                                                                                                                                                                                                   layer of metallic spray paint
                                                                                                                                                                                                                   as the base
                                                                    Replicated Finish                                                   Sample Material






                                                                                                                                                                                                                    5






                                                                                                                                                                                                                   Apply a thin layer
                                                                                                                                                                                                                   of PVA glue to the
                                                                                                                                                                                                                   surface with a small
                                                                                                                                                                                                                   amount of red paint
                                                                                                                                                                                                                    6






               Sources:
               •https://matmatch.com/learn/material/cast-iron
               •https://www.seriouseats.com/2014/11/the-truth-                                                                                                                                                     Use a paintbrush to
                                                                                                                                                                                                                   Use a paintbrush to
                about-cast-iron.html                                                                                                                                                                                                      80
                                                                                                                                                                                                                   dab on the cinnamon
                                                                                                                                                                                                                   in layers









                                                                                                                                                                                                                   t
   84   85   86   87   88   89   90   91   92   93   94