AA-AtlasofdefectsincastingsforturbochargerTurbineHousing(GGG,GGV)--.docVIP

PAGE 5 Formular-Nr.: 354 Arbeitsanweisung Nr. 40-0068 Ausdrucke und Kopien unterliegen nicht dem ?nderungsdienst ! Seite  PAGE 23 von 22 gültig ab: 02/03 Verantwortlich: AQM/MünchGültig bis: (2 Jahre) 02/2005Verteiler: AQ (Mappe 01), AQM (Mappe 03)Ausdrucke und Kopien unterliegen nicht dem ?nderungsdienst ! Seite  PAGE 1 von 22 Formular-Nr.: 354 Work Instruction Productqualification Titel: Atlas of defects in castings for turbocharger Turbine housing (GGG; GGV) AA 40-0068 / ?I: -ReleaseDepartment: AQMName: LobockiSign: Date: 25.02.03Field of application This work instruction of metallographic samples manufactured in accordance with work instruction 40-0067. The samples are examined under a metallurgical microscope with the adequate magnification.All unpermissible defects are documented for the inspection report by means of a video printer. Scope of application This work insruction applies to material testing Job specification Classification by size The turbine housings are classified in three model sizes: Model size 1.11.21.3 KP-type-series 5303... 5304... 5306... 5312... 5314... 5316... 5324... 5326...5327... 5328... 5329... 5331... 5333... 5334... 5336... 5222... 5223... 5230... 5232... 5065... 5070...5337... 5342... 5344... 5352... 5354... 5240... 5250... 5252... 5255... Classifcation by materials 3.1 GGG-40 (residual perlite content ≤ 10%) 3.2 GGG-SiMo special (residual perlite and carbide share ≤ 10%) 3.3 GGG-NiCr 20 2 (D2) 3.4 GGG-NiSiCr 35 5 2 (D5) GGG-NiCr 30 3 GGG-NiCr 35 1 3.5 GGV SiMo 4.5-0.6 Classification by defect position 4.1 Zone 1: Flow channel, wheel contour, valve seat 4.2 Zone 2: Bypass channel, inlet and outlet flange 4.3 Zone 3:Heat shield fitting area, outer contour Type of defect 5.1 Type A – Grahite stucture (see inclosure 1 bis 14) 5.2 Type B – Border reactions (see inclosure 15 bis 17) 5.3 Type C – Oxide skins (see inclosure 18 bis 22) 5.4 Type D – Non-metalli