Barely Significant
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Investigation of Delamination and Cutting Force in the Drilling of AA7050-CFRP Hybrid Composite Stacks Used in Real Aerospace Applications.

Polymers (Basel) · 2026 · PMC13120667 · PMID 42076321

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highly significantno p-value reported
This value is well below the 5% significance level, indicating that the feed rate has a highly significant and determinant impact on the forces generated during drilling.

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marginally significantno p-value reported
This value lies just above the 5% significance level, suggesting a marginally significant effect from a statistical perspective.

also in 26,082 other papers

an increasing trendno p-value reported
When options with peripheral cutting edges, such as brad drill tools, are employed, average cutting forces tend to exhibit an increasing trend [ 22 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.