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  • Wall friction and hopper geometry shown in two stainless steel powder hoppers comparing mass flow and funnel flow
    21 March 2026

    Wall Friction and Hopper Geometry: Why Some Bins Mass Flow and Others Funnel Flow

    Mass flow requires hopper walls that are steep and smooth enough for [...]

    Feature Article

  • Technical illustration showing how bulk powder behavior changes between weak and strong internal contact networks in a powder bed.
    21 March 2026

    Why Bulk Powder Behavior Depends on Contact Networks, Not Just Particle Size

    Bulk powder behavior is not controlled by particle size alone. In many [...]

    Insights

  • Free-flowing powder arching in hoppers shown as a stable powder bridge above a stainless steel outlet in an industrial processing system
    14 March 2026

    Why Free-Flowing Powders Still Arch in Hoppers, and How to Diagnose the Real Cause

    A powder can look easy to handle in a funnel test and [...]

    Feature Article

  • Technical illustration comparing normal powder discharge with restart failure after a short shutdown in a hopper and screw feeder
    14 March 2026

    Why Powder Flow Often Fails After a Short Shutdown in Hoppers and Feeders

    Powder flow after a short shutdown often fails because the resting powder [...]

    Insights

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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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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.

  • Visual warning graphic illustrating the global risk to powder safety from eliminating the Chemical Safety Board.
    12 July 2025

    The Elimination of the Chemical Safety Board: A Global Blow for Safety

    Defunding the U.S. Chemical Safety Board (CSB) strips away a vital layer [...]

    Feature Article

  • 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 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

  • 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

Insights

Focused technical interpretation

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

  • Robotic powder handling system dispensing fine powder into a beaker with real-time flow control
    19 July 2025

    Robots Can Now Weigh Powders Reliably—Thanks to Flowability-Informed Control

    Machine learning now allows robots to adjust dosing motions based on real-time [...]

    Insights

  • AI-based in-line particle size monitoring system with stainless steel probe analyzing powder flow in a continuous milling line.
    13 July 2025

    AI-Assisted In-Line Particle Size Monitoring: What the Evidence Supports

    AI-assisted direct imaging can turn difficult process images into usable particle-size information [...]

    Insights

  • 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

  • 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

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.

  • AI-driven powder scaling
    15 March 2025

    AI-Driven Powder Scaling: From Laboratory to Production to Global Market

    Table of Contents: AI-driven powder scaling Particles gradually transition [...]

    Feature Article

  • antimony in modern industry
    9 March 2025

    Antimony in Modern Industry: From Ancient Alchemy to Advanced Applications

    Table of Contents Antimony (Sb), number 51 on the Periodic [...]

  • CO₂ conversion technology
    5 March 2025

    CO₂ Conversion Technology Breakthrough in Carbon Capture

    Researchers from the Korea Institute of Materials Science (KIMS) and KAIST have developed [...]

  • powder flow optimization
    2 March 2025

    Powder Flow Optimization in Industrial Processes

    Introduction to Powder Flow Optimization It comes as no surprise that powder [...]

    Know How

  • Advanced Powder Characterization
    2 March 2025

    Advanced Powder Characterization Techniques

    In this article, we will take a glance at the Advanced Powder Characterization [...]

    Insights

  • Powder Technology use in Protein Stability and Unfolding Research
    1 March 2025

    Protein Stability and Unfolding though Powder Technology

    In this article we will cover Protein Stability and Unfolding with the [...]

    Feature Article

  • AI in Powder Technology poll
    1 March 2025

    AI in Powder Technology: Industry Perspectives from Latest Poll

    AI in Powder Technology poll results February 2025 AI in Powder [...]

  • Elasticity in Flexible Crystals
    24 February 2025

    Elasticity in Flexible Crystals: How They Store and Release Energy

    Australian scientists made a breakthrough in understanding the molecular origins of elasticity in [...]

  • Powder morphology in Industrial applications
    22 February 2025

    Role of Powder Morphology in Industrial Applications

    Powder morphology—the study of particle shape, size, and surface texture—is critical in determining [...]

    Insights

  • Limestone Industry
    22 February 2025

    Limestone Industry. From Geological Formation to Modern Applications

    Lime is a useful and versatile material that construction industries use extensively. [...]

    Feature Article

  • Powder recyclability in manufacturing
    17 February 2025

    Powder Recyclability in Manufacturing: Sustainable Approaches

    In today’s manufacturing environment, sustainability is not only a goal—it’s a necessity. Industries [...]

    Insights

  • Gypsum in Construction
    17 February 2025

    Gypsum in Modern Construction: A Comprehensive Overview

    At PowderTechnology.info, we’ve long been fascinated by the humble yet mighty gypsum. [...]

    Feature Article

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