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  • Close-up photo of a segregated powder heap showing fine particles on top and coarse granules around the base, illustrating particle size separation.
    5 July 2025

    Segregation Mechanisms and Prevention in Blending and Transport

    Segregation ruins powder blends after mixing. This article breaks down the five [...]

    Know How

  • Close-up of a sealed industrial powder drum showing internal condensation, symbolizing moisture-driven powder degradation during storage.
    29 June 2025

    The Slow Collapse of “Stable” Powders: powder aging and degradation

    Powders degrade quietly. Over time, even stable materials shift in chemistry, structure, [...]

    Insights

  • Close-up of a stainless steel shear cell testing setup in a laboratory, filled with powder, during flowability testing.
    28 June 2025

    Shear Cell Testing: The Key to Understanding and Controlling Powder Flow

    Shear cell testing is the most effective method for predicting and controlling [...]

    Feature Article

  • Powder discharging from a hopper, showing uneven flow due to prior handling and compaction
    22 June 2025

    Powder Memory: How Processing History Affects Behavior

    Powder memory explains why a powder’s behavior can change over time. Past [...]

    Insights

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Choose the powder behaviour, material property, process, or measurement behind the question. Each subject opens the corresponding PTI publication category, bringing related technical publications together in one place. Industries are intentionally omitted because PTI already provides dedicated industry pages.

Flow & bulk behaviour

FlowabilitySegregationDustinessCakingElectrostatic EffectsMoisture SensitivityShearCohesionPermeabilityPacking Density

Particle & surface behaviour

AgglomerationAttritionAbrasionWearAdhesionSurface EnergyDispersionRheologyPorosityThermal PropertiesParticle Size Distribution

Processing & handling

Mixing TechnologyHoppersConveyingCompactionCoatingSilo StorageEncapsulation TechniquesSpray DryingMilling

Characterization & analysis

Bulk Solids CharacterizationParticle Size TestingAnalytical Techniques and MethodsChemical Composition AnalysisMicroscopy

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Choose the depth and type of content

Feature Articles, Insights, and Know How are editorial formats within PTI publications. They are not separate technical destinations.

Feature Articles

Long-form technical analysis built around a defined engineering question, comparison, mechanism, process, or application.

Insights

Focused interpretation of a study, method comparison, process result, standard, or emerging technical development.

Know How

Practical technical guides that go deeper into measurement, interpretation, equipment, and powder-behavior decisions.

Feature Articles

Long-form technical analysis

Recent Feature Articles examine a defined engineering question in greater depth, connecting mechanisms, measurements, process context, and interpretation where the subject requires it.

  • Neodymium powder technology
    9 July 2023

    Neodymium and Powder Technology

    Neodymium, a fascinating element within the lanthanide series, has a history dating [...]

    Feature Article

  • Hydrogen Fuel and its Potential Impact
    1 July 2023

    Hydrogen Fuel and its Potential Impact

    Hydrogen fuel cells are emerging as a promising solution for tackling climate [...]

    Feature Article

  • Expressions of Powder and Particle Conductivity
    25 June 2023

    Expressions of Powder and Particle Conductivity

    Energy appears in many forms: light, heat, chemical, fusion, fission, mechanical, and electrical. [...]

    Feature Article

  • Powders and their diverse phenomena during processing
    18 June 2023

    Powder processing and their diverse phenomena

    The term "atom" originated in ancient Greece around 400 B.C., stemming from [...]

    Feature Article

Insights

Focused technical interpretation

Recent Insights examine a study, method, process result, standard, or emerging technical development in a tighter editorial format.

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Know How

Practical technical guidance

Recent Know How publications focus on practical measurement, method selection, interpretation, equipment, and technically useful working guidance.

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The complete PTI publication catalogue

Browse all published PTI content, newest first. Use the subject index above when you know the technical topic, or the structured PTI hubs when you want a guided route through a problem, property, measurement, process area, or industry.

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Testing support

Need the measurement, not just the article?

If the publications help narrow the technical question but the decision still depends on measured powder behavior, Delft Solids Solutions can help define an appropriate test plan and interpret the result. Explore Delft Solids Solutions testing support →

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