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	<title>tearing energy &#8211; BIOENGINEER.ORG</title>
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		<title>How Fatigue Cracks Eat Wind Turbine Blades: A New Fracture Mechanics Test Could Transform Erosion Protection</title>
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		<pubDate>Fri, 09 Oct 2026 04:57:03 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[elastomers]]></category>
		<category><![CDATA[fatigue crack growth]]></category>
		<category><![CDATA[fracture mechanics]]></category>
		<category><![CDATA[leading-edge erosion]]></category>
		<category><![CDATA[materials testing]]></category>
		<category><![CDATA[Mullins effect]]></category>
		<category><![CDATA[polyurethane]]></category>
		<category><![CDATA[rain erosion]]></category>
		<category><![CDATA[tearing energy]]></category>
		<category><![CDATA[visco-elasticity]]></category>
		<category><![CDATA[wind energy]]></category>
		<category><![CDATA[wind turbine blades]]></category>
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					<description><![CDATA[Danish researchers have developed a fracture mechanics test showing that tearing energy, not strain, governs fatigue crack growth in the elastomers protecting wind turbine blades from rain erosion, revealing a sharp threshold that could transform material design and turbine operation.]]></description>
		
		
		
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