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Janka Hardness/Evidence
Method evidence record

Janka Hardness

The Janka hardness test measures wood resistance to indentation and denting by forcing a steel ball into the wood surface under standard load. Developed by Gabriel Janka in 1934, the test is a simple, nondestructive indicator of wood durability, wear resistance, and suitability for flooring, furniture, and other wear-prone applications. Janka hardness is one of the most widely used wood property metrics in wood science and commerce.

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Source record

Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.

Janka Hardness Test
Taxonomic method record · process-pipeline / forestry
  • ASTM D1037-21. (2021). Standard test methods for evaluating properties of wood-base fiber and particle panel materials. ASTM International. · URL
  • American Hardwood Export Council. (2012). Wood hardness ratings. Technical Report. · URL
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Curated claims

Claims persisted in the evidence ledger, each with its own assessment.

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Related methods

Generated from the method graph and shown as machine-suggested relations — no evidence claim is inferred.

Taxonomic bucketModulus of Rupture and Elasticitymachine-suggested · Relational suggestion, not evidence.Taxonomic bucketWood Shrinkagemachine-suggested · Relational suggestion, not evidence.Taxonomic bucketX-ray Densitometrymachine-suggested · Relational suggestion, not evidence.

Evidence status

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

Sources

2 recorded citations, copied from the method source record.

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