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  • Powder coating sustainability shown through a life cycle assessment visual with raw materials, powder production, application, curing, use phase, and recycling.
    2 May 2026

    Powder Coating Sustainability: Is the Green Claim Actually Defensible?

    Powder coating sustainability is easiest to defend at the coating line. The process [...]

    Feature Article

  • Thermal gradient segregation in a pilot-scale suspension vessel exposed to uneven heating
    25 April 2026

    Thermal Gradient Segregation: Why Heat Moves Particles

    Thermal gradient segregation begins when one region of a system gets [...]

    Feature Article

  • Technical illustration of dust control in powder handling at a transfer point, showing how displaced air and hood placement affect airborne dust release.
    25 April 2026

    Why Dust Control in Powder Handling Starts With Powder Behavior

    Dust control in powder handling works best when it starts with the [...]

    Insights

  • Acoustic emission for flow blockage prediction sensor mounted near the lower cone outlet of a powder hopper
    18 April 2026

    Acoustic Emission for Flow Blockage Prediction

    Acoustic emission for flow blockage prediction captures high-frequency stress waves generated by [...]

    Feature Article

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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.

  • Square hero illustrating powder creep mechanisms: granular creep in a hopper and diffusion creep in a tensile frame.
    4 October 2025

    Powder and Granular Creep: Mechanisms, Testing, and Control

    Powder creep mechanisms occur in various ways; powders creep in bins. Sintered [...]

    Feature Article

  • 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

Insights

Focused technical interpretation

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

  • Operator inspecting a stainless-steel process line to minimize changeover losses in continuous powder lines.
    11 October 2025

    Changeover Losses in Continuous Powder Lines: 5 Fast Wins to Boost Efficiency

    Changeovers can quietly waste hours and tons of product in continuous powder [...]

    Insights

  • 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

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 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.

  • 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 Flow vs. Powder Flooding: An Introduction Smooth powder flow is [...]

    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

  • Electrostatic effects in powder handling
    2 June 2025

    Electrostatic Effects in Powder Handling and How to Deal with it

    Electrostatic Effects in Powder Handling: Static charge disrupts powder flow and creates [...]

    Insights

  • powder feeder selection
    1 June 2025

    Selecting the Right Feeder for your Powder Type

    Selecting the right powder feeder prevents flow issues and dosing errors. It [...]

    Know How

  • global powder handling regulations
    31 May 2025

    Global Regulations for Powder Handling: What You Need to Know

    Regulatory compliance in powder handling is not just a requirement—it’s a [...]

    Feature Article

  • circular powder systems
    25 May 2025

    Powder Technologies Within Circular Systems

    In a circular economy, powder testing is no longer just a checkpoint—it [...]

    Feature Article

  • powder flow in summer
    24 May 2025

    Why Your Powder Doesn’t Flow the Same in Summer

    Humidity and temperature shifts in summer can drastically [...]

    Insights

  • Global Green Hydrogen Industry Report 2025
    18 May 2025

    Global Green Hydrogen Industry Report 2025

    Global Green Hydrogen Industry Report 2025 - Green hydrogen is sprinting toward [...]

  • LPBF spatter contamination mitigation
    17 May 2025

    Case Study: Mitigating Spatter-Induced Powder Contamination in Laser-Powder-Bed-Fusion (LPBF) Production of Inconel 718 Aerospace Components

    LPBF spatter contamination mitigation - Treating spatter as both a fluid-dynamic and [...]

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