Introduction to brazing technology

Content: Process Fundamentals and Operator SafetySetting the SceneWettingCapillary FlowHealth and Safety in BrazingWhere Brazing Fits in Joining TechnologyWhich Specific Process Should Be Used?What Are the Advantages of Brazing?Basic Definitions and PrinciplesCapillary Attraction and Capillary FlowSolidus, Liquidus, Melting Range and EutecticWorking TemperatureLiquationProcess WindowHeat Pattern DevelopmentProceduresComponent CleanlinessSummary: Fundamental Rules for Successful BrazingJoint Design FundamentalsIntroductionBasic Joint Design ConfigurationsAtmosphere Furnace BrazingFiller Materials, Fluxes and Brazing Paste FundamentalsIntroductionAluminium-Base Filler MaterialsSilver-Base Filler MaterialsSelf-Fluxing CuP and AgCuP AlloysCopper-Brazing Filler MaterialsHigh-Temperature Nickel (and Cobalt) Filler MaterialsUnclassified Platinum-Group Metal Filler AlloysISO Standardised Noble-Metal-Bearing Filler MaterialsBrazing FluxesBrazing Alloy PastesBrazing with FlamesTorches for Manual Flame BrazingFlame Process RelationshipsHeating with FlamesGases and Gas MixturesHand-Torch-Brazing TechniqueAutomated Flame-Brazing MachinesProcess ComplexityInduction and Resistance HeatingIntroductionWhat Induction Heating offers in BrazingCommonly Used Inductor ShapesDesign of Joints and the Associated InductorsResistance HeatingFurnace BrazingIntroductionOxide FilmsBrazing in a Reducing AtmosphereTypes of Furnaces Used for BrazingBrazing in VacuumVacuum Brazing Process ParametersFurther General Comments on Vacuum BrazingVapour PressureBrazing AluminiumIntroduction to the Technology of Aluminium BrazingUse of Brazing for the Joining of Aluminium and its AlloysTroubleshooting and Some Common Brazing ProblemsIdentification of the ProblemMethodology of TroubleshootingAre You Asking Yourself the Right Questions?FlexibilitySeeking AdviceFrequently Asked QuestionsIs It Possible to Braze Ceramics?Can I Braze to the Surface of an Electroplated Item?Which Filler Material Will Be Best for the Brazing of Tungsten Carbide Teeth to Circular Saw Blades?Can Brass Be Successfully Brazed without Flux in a Reducing-Atmosphere Furnace?Can Contact with Ammonia Result in the Corrosion of a Joint?What Is the Maximum Temperature at Which a Brazed Joint Can Be Safely Used?Can Tool Steels Be Brazed?What Is Crevice Corrosion?What Is the Trillium Project?Accreditation of Brazing OperatorsScopeNormative ReferencesApproval of the Parts to Be Joined by BrazingTerms and DefinitionsInformation and Requirements to be both agreed upon and DocumentedBrazing VariablesThe pBPSStage 4: Approval of OperatorsTest Pieces and Test SpecimensExamination and TestingRange of ApprovalBrazing Procedure Approval RecordImportance of the Joint Gap in BrazingSome Initial Points about Brazing When a Flux Is UsedSome Initial Points about Fluxless Brazing ProcessesContribution of the Brazing Gap to Process ControlBrazing in conjunction with FluxProcess Parameters for the Use of FluxHigh-Temperature Brazing in conjunction with a FluxFluxless Brazing ProcessesFiller Metal Pre-Placement: Sandwich JointsConventional Pre-Placement of Filler MaterialGlossaryAddendum A: SafeFlame®Appendix A: Selection ChartsAppendix B: Filler Metal Comparison Tables