Publications

Browse PTI technical publications

Find content by subject, editorial format, or publication date

Find technical publications by the powder behavior, material property, process, or measurement you are working with. You can also browse the latest releases, choose an editorial format, or open the complete publication catalog.

Publications

Browse PTI technical publications

Find content by subject, editorial format, or publication date

Find technical publications by the powder behavior, material property, process, or measurement you are working with. You can also browse the latest releases, choose an editorial format, or open the complete publication catalog.

Latest publications Browse by Subject Feature Articles Technical Briefs Insights Know How All Publications
Browse publications by technical subject

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Find publications by powder behavior, material property, process, or measurement topic.

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Choose Feature Articles, Insights, or Know How according to the depth and type of content you need.

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The four newest PTI publications appear here automatically, regardless of subject or editorial format.

  • Calcium carbonate powder bridging inside a transparent feeder hopper on a polypropylene compounding line.
    13 June 2026

    Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

    Dust suppression oil can reduce airborne calcium carbonate dust, but it may [...]

    Feature Article

  • Powder residence time diagram showing how an early sample can differ from the powder state at the failure point
    13 June 2026

    Powder Residence Time Can Make the Test Result Miss the Failure

    Powder residence time matters because the sample and the failure often describe [...]

    Insights

  • Technical illustration comparing stable hopper discharge at adequate fill level with unstable powder flow, arching risk, and pulsing at low fill level.
    6 June 2026

    Why Hopper Fill Level Changes Powder Discharge

    Do not diagnose a feeder as if the hopper sends it one [...]

    Insights

  • Technical infographic showing powder deaeration, permeability, density recovery, air retention, flushing, surging, and feeder instability after filling.
    6 June 2026

    Powder Deaeration: Flushing, Surging, and Air Retention

    Powder instability after conveying, filling, or transfer is often treated as [...]

    Know How

Browse by Subject

Find PTI content by technical subject

Choose the powder behavior, 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 behavior

FlowabilitySegregationDustinessCakingElectrostatic EffectsMoisture SensitivityShearCohesionPermeabilityPacking Density

Particle & surface behavior

AgglomerationAttritionAbrasionWearAdhesionSurface EnergyDispersionRheologyPorosityThermal PropertiesParticle Size Distribution

Processing & handling

Mixing TechnologyHoppersConveyingCompactionCoatingSilo StorageEncapsulation TechniquesSpray DryingMilling

Characterization & analysis

Bulk Solids CharacterizationParticle Size TestingAnalytical Techniques and MethodsChemical Composition AnalysisMicroscopy

Browse by format

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.

Technical Briefs

Concise, practical explanations of focused powder and particle technology questions, mechanisms, measurement issues, and process challenges.

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.

  • Three Petri dishes with metal, ceramic, and polymer powders, plus a spatula pouring metallic powder, illustrating powder testing circular economy.
    27 September 2025

    Powder Technologies Within Circular Systems

    The relevance of powder testing for circular economy powder usage. Circular production [...]

    Feature Article

  • AI-assisted material characterization: laser diffraction setup analyzes a powder stream with a camera and PSD histogram on a lab monitor.
    20 September 2025

    Material Characterization with AI-Assisted Analytics

    AI-assisted material characterization speeds testing, strengthens models, and improves inline control. Labs [...]

    Feature Article

  • Deep-sea particle dynamics for powder engineering: marine snow with diatom chains sinking.
    13 September 2025

    Deep-Sea Particle Dynamics, Through a Powder Lens

    vDeep-sea particle dynamics show powder engineering mechanics in powder dynamics. Deep trenches [...]

    Feature Article

  • Scientist applying slurry of lithium powders to foil electrode in lab, demonstrating lithium powders energy density research.
    6 September 2025

    Atomic Fundamentals and the Density–Energy Link

    Lithium’s atomic-scale behavior drives energy density in batteries. Powders are not passive [...]

    Feature Article

Technical Briefs

Concise answers to focused technical questions

Recent Technical Briefs provide concise, practical explanations of focused powder and particle technology questions, covering specific mechanisms, measurement issues, processing challenges, and interpretation problems.

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Insights

Focused technical interpretation

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

  • Square hero showing a powder segregation test with two bottles filled via funnels, one fast and one slow, each cored for top-middle-bottom sampling.
    4 October 2025

    Powder Segregation Test: The 20 Minute Bottle Method

    Most blend failures start with segregation during transfer. Run a 20 minute [...]

    Insights

  • Square hero image illustrating hidden charge peaks in powder flows with localized hotspots.
    27 September 2025

    Hidden Charge Peaks in Powder Flows: Measure What is missed

    Do not accept a safe net charge as proof of safety. Find [...]

    Insights

  • Catalytic hot spots in powders shown by a lab setup with a Karl Fischer titrator, a weigh boat of powder, and a microbalance on a clean bench.
    20 September 2025

    Catalytic Hot Spots in Powders: Small Regions, Big Consequences

    Catalytic hot spots in powders often determine stability. Detect them early with [...]

    Insights

  • Close-up macro view showing moisture droplets condensing on fine powder particles, illustrating moisture risk in powder formulations.
    13 September 2025

    Moisture as a Formulation Risk: Beyond Standard Hygroscopicity Testing

    Moisture risk in powder formulations extends beyond mass uptake. Water reshapes surfaces, [...]

    Insights

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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All Publications

The complete PTI publication catalog

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.

  • Compressed powder tablet showing edge cracks, illustrating powder deformation behavior under pressure
    6 July 2025

    Powders Under Pressure: Why Deformation Behavior Matters

    powder deformation behavior under pressure in different ways. Understanding their behavior improves [...]

    Insights

  • Photorealistic powder bed visualizing quantum thinking in powder technology through mixed flow and cohesive behaviors.
    6 July 2025

    Quantum Thinking in Powder Technology: Embracing Uncertainty for Better Process Design

    Quantum thinking in powder technology isn’t about physics. It’s a mindset shift. [...]

    Feature Article

  • 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

  • Photorealistic image of industrial spray drying equipment with powder being collected in a stainless steel container
    21 June 2025

    Modern Spray Drying: Methods and Limitations

    Spray drying technology transforms liquids into powders with high precision and control. [...]

    Feature Article

  • Cleanroom technician transferring functional powder dor glovebox
    15 June 2025

    Handling Functional Powders: Five Risks and How to Control Them

    Modern batteries, 5 G antennas, and solid‑state ceramics start with functional powders. These powders [...]

    Insights

  • Cross-sectional illustration of smartphone cover glass, showing surface, ion-exchanged layer, and crack-resistant base.
    14 June 2025

    Smartphone Cover Glass: Materials, Processing, and Market Trends

    Smartphone cover glass is not ordinary glass. It’s a precision-engineered material that [...]

    Feature Article

  • powder flooding, flowability, feeder design, flow function, Jenike cell, free-flowing powders, uncontrolled discharge, powder handling, cohesive powders
    9 June 2025

    Powder Flow vs. Powder Flooding: Where’s the Line?

    Powder flooding occurs when entrained gas reduces resistance to flow, allowing material to [...]

    Insights

  • Edi Gathegi as Mr. Terrific wearing a sleek, high-tech mask in James Gunn’s Superman movie.
    7 June 2025

    Is Mr. Terrific’s Nanotech Mask Actually Possible?

    Table of Contents: Mr. Terrific nanotech mask Edi Gathegi [...]

  • Photorealistic image of a glucose test strip with a blood droplet, a vial of blood, and a pile of diagnostic powder, illustrating the role of powder technology in blood testing.
    7 June 2025

    The Role of Powder Technology in Blood Testing

    Powder technology is essential in modern blood testing. It ensures fast, stable, [...]

    Feature Article

Testing support

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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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