# Methods

Manufacturing reference articles in Methods.

[Manufacturing Wiki](https://planar.so/wiki/index.md)

- [Bend testing](https://planar.so/wiki/inspection/methods/bend-testing.md): Selecting ductility, weld-bend, and flexural-property tests; controlling specimens, fixtures, measurements, and interpretation.
- [Charpy impact testing](https://planar.so/wiki/inspection/methods/charpy-impact-testing.md): Notched-bar impact energy measurement, specimen and temperature controls, machine verification and acceptance limits.
- [Color difference measurement](https://planar.so/wiki/inspection/methods/color-difference-measurement.md): Comparing manufactured colors using specified color spaces, optical conditions, sampling methods and acceptance rules.
- [Cross-cut adhesion testing](https://planar.so/wiki/inspection/methods/cross-cut-adhesion-testing.md): Coating separation ratings, method and cutter selection, tape controls, and limits of cross-cut test interpretation.
- [Dye penetrant testing](https://planar.so/wiki/inspection/methods/dye-penetrant-testing.md): Surface-breaking discontinuity detection: penetrant systems, cleaning and development controls, interpretation and reporting limits.
- [Eddy-current testing](https://planar.so/wiki/inspection/methods/eddy-current-testing.md): Electromagnetic inspection principles, probe and frequency selection, reference comparisons, coverage, and interpretation limits.
- [First article inspection](https://planar.so/wiki/inspection/methods/first-article-inspection.md): Planning and documenting production-representative verification, characteristic accountability, change assessment and customer-specific release requirements.
- [Gloss measurement](https://planar.so/wiki/inspection/methods/gloss-measurement.md): Specular gloss geometry, calibration, sampling and acceptance limits for manufactured surface inspection.
- [Leak testing](https://planar.so/wiki/inspection/methods/leak-testing.md): Selecting leak-test methods, defining gas and pressure conditions, interpreting leak-rate units, and verifying system sensitivity.
- [Magnetic particle testing](https://planar.so/wiki/inspection/methods/magnetic-particle-testing.md): Ferromagnetic surface-discontinuity detection: field direction, magnetization routes, particle systems, process checks and interpretation.
- [Metallographic examination](https://planar.so/wiki/inspection/methods/metallographic-examination.md): Planning, preparing and interpreting metallographic sections while controlling artifacts and measurement limits.
- [Positive material identification](https://planar.so/wiki/inspection/methods/positive-material-identification.md): Selecting and interpreting XRF, OES, and LIBS checks of alloy composition without confusing a grade match with full material conformance.
- [Pressure testing](https://planar.so/wiki/inspection/methods/pressure-testing.md): Strength and leak testing: hydrostatic versus pneumatic media, test boundaries, measurement interpretation and specification-dependent acceptance.
- [Pull-off adhesion testing](https://planar.so/wiki/inspection/methods/pull-off-adhesion-testing.md): Measuring coating-system pull-off strength while controlling test geometry, preparation and failure interpretation.
- [Radiographic testing](https://planar.so/wiki/inspection/methods/radiographic-testing.md): Selecting and interpreting industrial X-ray and gamma-ray examinations, with film and digital image-quality limits kept separate from product acceptance.
- [Salt spray testing](https://planar.so/wiki/inspection/methods/salt-spray-testing.md): Controlled corrosion exposure: NSS/AASS/CASS distinctions, specimen preparation, chamber verification and limits on interpreting test hours.
- [Surface profilometry](https://planar.so/wiki/inspection/methods/surface-profilometry.md): Contact and optical surface-height measurement, with controls for sampling, filtering, calibration and interpretation.
- [Tensile testing](https://planar.so/wiki/inspection/methods/tensile-testing.md): Interpreting tensile strength, yield, modulus, and ductility with specimen geometry, strain measurement, rate, and acceptance conditions preserved.
- [Ultrasonic testing](https://planar.so/wiki/inspection/methods/ultrasonic-testing.md): Sound-based inspection: technique selection, time-of-flight measurement, reference calibration, coverage and interpretation limits.
- [Visual weld inspection](https://planar.so/wiki/inspection/methods/visual-weld-inspection.md): Planning and documenting visual examination of metallic fusion welds, with limits on access, measurement and acceptance.