Technical Blog
Practical articles on material selection, operating conditions, failure prevention, and RFQ preparation for alumina, zirconia, silicon carbide, and boron nitride ceramics — written for engineers and industrial buyers.
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Selection, application, failure-prevention, and RFQ guides — updated regularly.
Define the measured volume and specimen condition before comparing ceramic density or setting an inspection requirement. Bulk, apparent and true
Separate leakage performance, breakdown characterization, and withstand acceptance when reviewing ceramic insulators and supplier test reports. Dielectric strength vs insulation
Match mechanical-property evidence to surface damage, crack growth, and component loading before changing ceramic grades. Hardness vs toughness vs strength
A ceramic’s melting point is not its maximum service temperature. Melting—or decomposition, dissociation, sublimation, or softening for some ceramics—is a
A ceramic part is feasible only when its critical features can be manufactured with process margin, measured by an agreed
A worn sample can start a replacement project, but it should not be copied as an undamaged master. Wear may
A quote-ready ceramic-part RFQ should include the current drawing and revision, available 3D model, part function, assembly position, ceramic grade
Tight ceramic tolerances increase cost when they move a feature from forming or green machining into post-sinter diamond grinding, lapping,
Choose SSiC when purity, absence of residual metallic silicon, or media that may attack free silicon controls the decision. Consider
For an initial custom-crucible quote, provide the application, contained material, normal and peak temperatures, furnace atmosphere, preferred material or required
A zirconia tube cracks during grinding when tensile stress at an existing or grinding-created flaw exceeds the tube’s local resistance
Select a crucible from the complete process, not a maximum-temperature value. Record the sample, flux, binder, impurities and expected reaction
A ceramic failure investigation begins before anyone cleans, matches, marks, repairs, or discards fragments. Assign incident and part IDs, photograph
Ceramic tolerance and surface finish should be specified from function, not copied from a generic capability table. Identify the surfaces
A ceramic-part drawing is ready for supplier release when it defines one governing revision, a controlled material grade, functional geometry,
Select a crucible by documenting the complete process—not by choosing the material with the highest published temperature. Record the sample,
A quote-ready alumina tube RFQ identifies the function and architecture first: open both ends, closed one end, single-bore, multi-bore, porous
A grade-selection framework for engineers specifying alumina plate purity by application risk, operating temperature, insulation requirement, contamination sensitivity, and verification
A process-engineer’s selection framework for alumina setter plates, hearth plates, and support boards — covering material choice, critical specifications, failure
A function-first selection framework for engineers specifying alumina plate thickness by load, span, thermal cycle, flatness, and operating condition —
A rod-specific selection framework for engineers deciding between alumina and zirconia by failure risk, operating condition, and specification requirement —
A porous ceramic plate is suitable for flow distribution when gas, vacuum, or liquid must pass evenly across a wide
Clean porous ceramic filters by diagnosing the fouling type before applying any chemical or physical cleaning method, then working from
SiC membrane filtration is advantageous for industrial wastewater when the feed contains difficult suspended solids, emulsified oil, colloids, abrasive particles,
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