标致东风雪铁龙B154140测试标准

2023年12月3日发(作者：新能源汽车的发展前景及趋势)

标致东风雪铁龙B154140测试标准B154140COATINGSELECTROLYTIC CHROMIUM PLATING ON PLASTIC PARTSPage1/7No use restrictionThis is a translation,the French original shall be used in all cases of ligitation Date of translation:08/04/ AND FIELD OF SION ON G DEFINITION2 OF THE VARIOUS AND INSPECTION3 OR POROSITY ON THE CHROMIUM COATING3 EMENT OFTHE CHROMIUM THICKNESS3 ANCE TO THERMAL SHOCK(INTERIOR AND EXTERIOR PARTS)ANCT TO THE CASS-TEST(EXTERIOR PARTS)3 ANCE TO CLIMATIC CYCLES\"GREENHOUSE EFFECT\"4 APPENDIX-DETERMINATION OF CRACKS ANDPORES IN THE CHROMIUM PLATING6 S AND REFERENCE DOCUMENTS7 NCE DOCUMENTS7 LENT TO:7 MS TO:7 AND FIELD OF APPLICATIONThis standard applies to electrolytic coatings on plastic electrolytic deposits,chromium-nickel or chromium-nickel-copper may have an embrittling effect on plastic partssubjected to loads;consequently,fixings or clippings must be free of categories of coatings are defined according to the destination of parts:parts exterior to the vehicle,parts interior to the SION ON DOCUMENTSThe coating is designated by symbols(3.1.)followed by the reference number of this e:PL-RE-M according to norme :As well as the specifications of this standard,parts must comply accordingly with functions100or300in normeB620100and B620200relating to plastic parts,these being expressed in conformity with that G SA first group of two letters indicates that the coating is on plastic:PL.A second group of two letters indicates the category of the coating according to the destination of parts on the vehicle:RE for exterior parts,RI for interior parts.A letter indicates the appearance:M for matt,S for satin,B pour bright,e:PL-RE-M or PL-RI-S, OF THE VARIOUS COATINGSUnless otherwise specified on the drawing,the coatings to be used are as follows: COPPER UNDER LAYERUSE SYMBOL COATING THICKNESS IN?mCopper(1)Nickel(1)Micro-cracked or micro-porous nickelChromium Exterior parts PL-RE25121to20,3to1,5 Interior parts PL-RI1571to20,3to1,5 Note(1):The Copper/Nickel ratioshould preferably be≥2(according to the rigidity of the part).Copper and nickel thicknesses are minimum stipulated :In the case of Duplex Nickel or Bi-nickel coating,the overall nickel thickness must consist of a maximum thicknessof2/3semi-bright nickel(Ductile)and a minimum thickness of1/3bright nickel(to be checked by microstructural section).T COPPER UNDER LAYERThis relates to a\"special\"nickel(semi-bright pillar type):Remark:The only validated coating of this type is that formulated by the“SociétéEnthone-OMI”,it relates to the MONOLITH? SYMBOL COATING THICKNESS IN?mSpecial nickel(2)Nickel(2)Micro-cracked or micro-porous nickelChromiumExterior parts PL-RE20151to20,3to1,5 Interior parts PL-RI20101to20,3to1,5Note:(2)The Special nickel/Nickel ratio should preferably be≥2(according to the rigidity of the part).Special Nickel and Nickel thicknesses are minimum stipulated AND INSPECTIONResistance to corrosion of the coating depends on the thickness of the various coatings and the number of cracks or pores onthe chromium layer of micro-cracked or micro-porous nickel enables cracks or pores of chromium deposit to be OR POROSITY ON THE CHROMIUM PLATINGMeasurement carried out by examining the chromium coating surface with an optical microscope(Method in Appendix).-CRACKED CHROMIUMCracks on chromium deposit must be at least250cracks to one linear centimetre(Closed crack network).-POROUS CHROMIUMThe porosity of the chromium deposit must be at least10000pores/EMENT OF THE COATING THICKNESSUse ont of the following methods:Measurement by anodic dissolution according to test method ement by microstructure according to test method case of dispute,the only authentic method shall be the microstructural measurement must be carried out on the significant portion of the part,to be specified on the ANCE TO THERMAL SHOCK(INTERIOR AND EXTERIOR PARTS)This test enables the adhesion between plastic material and metal coating to be sample is subjected to the following heat cycle for24hours:7hours at80°C,30minutes at ambient temperature,16hours at–30°C,30minutes at ambient out four cycles for exterior parts and one cycle for interior part is examined at the end of each defect such as blisters,cracks,fissures and deformation must be observed on coated ANCE TO?CASS-TEST?(EXTERIOR PARTS)Before the test,the parts must be subjected to the following heat cycle,repeated three times:?60minutes at-30°C,15minutes at ambient temperature,60minutes at80°C,15minutes at ambient heat cycles,parts must withstand the CASS-TEST for48h,this test highlights invisible cracks caused by the tests must be carried out on separate gs of results after CASS-TEST are carried out according to the test method surface of the part to betested must be at the part is too small,an adequate number of parts must be used to tests are to be carried out:for approval:before and after simulating the fitting of the finisher onto its support,for inspection:on the ANCE TO CLIMATIC CYCLES?GREENHOUSE EFFECT?For interior parts,prehension of button type,knob label,opening control,…The purpose of this test is to detect parts showing moulding and adhesion defects during the vehicle life defects highlighted are as follows:Pitting(small craters),Weld lines:settling of the chromium at the plastic support weld lines,Deformations:settling of the chromium linked to shrinkage cracks on the plastic rs:loss of adhesion between the support and the metal cycle of a2hour total duration has been designed to simulate the day/night thermal variations of a summer’s selected values originate from thermal readings carried out on vehicles fitted with heat sensors and exposed to naturalsunlight sites of Rochegude(south of France)and Arizona(United States).TableRelative humidity50%Plateau5min at10°CUp gradient50min(1,4°C/min)up to80°CPlateau10min at80°CDown gradient50min(1,4°C/min)down to10°CPlateau5min at10°Cthe test specimens must be parts and shall be free from any prior treatment,thermal ageing,impact,section,…10test specimens,samples representative of a batch,shall be taken at different times of production(beginning, end andintermediate samplings).Two levels of requirements:Resistance :10x24/2=120cycles for parts of a low intensity contact(knobs,styling grilles,etc.).Resistance 20x24/2=240cycles for parts with frequent even permanent contact(knob label).A record on the condition of the revealed defects shall be carried out represents10records of information for the resistance over10days and20for the resistance over20days. The results shallbe classified as follows:1–Nothing to report2–Showing pitting,weld line,deformation and slight blister(minor defect).3–Worsening of the phenomenon(quite visible and unaesthetic).4–Opening of the metal strip with danger for the client(risk of injury).Interpretation of the results:1and2:Conform3and4:Do not conformAppendix DETERMINATION OF CRACKS AND PORES INCHROMIUM COATINGSExamine the cracks or pores on the surface in reflected light using an optical microscope with X100magnification(minimum).Use a micrometer eyepiece or any other similar device to indicate the distance over which cracks or pores are tobe count the number of cracks,take a measured length so that at least20cracks are count the number of pores,take a minimum surface of0,1mm x0, deposit for determining cracks or poresPrinciple:The electrolytic copper deposit from a solution of acid sulphate,under a low current density and low voltage,is only producedon subjacent nickel which is exposed by cracks,pores and other of operation:Deposit the copper using a bath containing200g/l±1g/l of crystallised copper sulphate and20g/l±1g/l of sulphuric acid,with acurrent density of0,3A/ion test specimen and anode must be connected to the source of current before immersionIf the test is carried out3days after the chromium deposition,immerse the test specimen in nitric acid with a concentrationof10g/l to20g/l for4minutes at90°C before the copper deposition,in order to facilitate the highlighting of the cracked S AND REFERENCE ONOR:01/01/1983–CREATION OF THE T OF THE MODIFICATIONC:16/01/2003–ADDITION OF§ANCE TO CLIMATIC CYCLES–GREENHOUSE EFFECT B:17/07/2000–VALIDATION OF THE PROCESS WITHOUT COPPER UNDER LAYER AS PART OF THE ELECTROLYTIC NCE B620100PLASTIC PARTS–FUNCTIONAL REQUIREMENTSB620200PLASTIC PARTS–SPECIFIC MATERIAL REQUIREMENTSD231001METALLIC COATINGS–CUPRO-ACETIC SALT SPRAY TEST(CASS-TEST)D251056ELECTROLYTIC COATINGS–THICKNESS(BY ANODIC DISSOLUTION)D251057METALLIC COATINGS–THICKNESS(MICROSTRUCTURAL SECTION)AL LENT TO:MS TO: WORDS