Flexural Strength

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Flexural Strength

Flexural strength, also known as bending strength, modulus of rupture or transverse rupture strength, is defined as the maximum stress in a material just before it yields in a bending test

Advanced Ceramics with low flexibility, compared to other materials like metals, normally have lower flexural strength and tend to cataclysmically fail on reaching their maximum test yield instead of deforming.

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Flexural Strength

Materials Ranked by Flexural Strength

For applications requiring flexural strength, in addition to other mechanical properties, Precision Ceramics Alumina Toughened Zirconia (ATZ) offers up to a very impressive 1,800 MPa HIP. Zirconia’s various grades follow after this starting with CeramaZirc Nano HIP.

Alumina Toughened Zirconia - CeramAlloy

Alumina-Zirconia (ATZ) - CeramAlloy ATZ™

1800 MPa
Alumina-Zirconia (ATZ) exhibits a combination of high hardness, strength, wear and corrosion resistance characteristic while maintaining reasonably high fracture toughness. 
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Zirconia CeramaZirc Nano HIP Material Brand

Zirconia (ZrO2) - CeramaZirc™ Nano HIP

1400 MPa
Unlike traditional ceramics that tend to be hard and brittle, Zirconia offers high strength, wear resistance, and flexibility far beyond those of most other advanced ceramics.
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Zirconia CeramaZirc 3YZ Material Brand

Zirconia (ZrO2) - CeramaZirc™ 3YZ

1200 MPa
Unlike traditional ceramics that tend to be hard and brittle, Zirconia offers high strength, wear resistance, and flexibility far beyond those of most other advanced ceramics.
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Zirconia CeramaZirc Ultra Tough Material Brand

Zirconia (ZrO2) - CeramaZirc™ Ultra Tough

1000 MPa
CeramaZirc Ultra Tough is an advanced zirconia-based ceramic composite material based on partially stabilized zirconia and alumina platelets.
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Silicon Nitride PCSN2000 Material Brand

Silicon Nitride (Si3N4) – CeramaSil-N™ PCSN2000

970 MPa
Silicon Nitride has the most versatile combination of mechanical, thermal, and electrical properties of any advanced ceramic material.
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CeramAlloy Ultra Hard Material Brand

Zirconia-Alumina (ZTA) – CeramAlloy™ Ultra Hard

850 MPa
Zirconia-Alumina (ZTA) exhibit a combination of high hardness, strength, wear and corrosion resistance while still maintaining reasonably high fracture toughness.
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Ceramic Material Comparison Chart

Created with Highcharts 4.2.0[MPa]Compressive StrengthSilicon CarbideSilicon NitrideAluminum NitrideBoron NitrideAlumina 99.5%ZirconiaMacorShapalCeramAlloy Ultra HardCeramAlox Ultra PureCeramaZirc Ultra Tough0500100015002000250030003500CeramaZirc Ultra Tough● Compressive Strength: 2000 [MPa]Highcharts.com

Related Properties

Hardness

Hardness

One of the most valuable characteristics of advanced ceramics in high-performance applications is their extreme hardness. Hard ceramic materials are used for a wide range of applications in diverse fields and applications such as cutting tools for milling and grinding.

Compressive Strength

Compressive strength is the capacity of a material to withstand loads tending to reduce size. Explained differently, compressive strength resists compression (being pushed together), whereas tensile strength resists tension (being pulled apart).

Fracture Toughness

Fracture Toughness

The ability to resist fracture is a mechanical property of materials known as fracture toughness. For advanced ceramics it uses a critical stress intensity factor known as KIC where the fracture normally occurs at the crack terminations.