理想的破壊強度の英語

また、薄肉部２０の撓みと薄肉部２０の荷重との関係から、厚みが小さいほど荷重が小さくてすみ、曲げ応力（σ_c）と荷重とのバランスをとることで、薄肉部の破壊強度を高めると同時に、指先への反力を理想的な状態に近づけて演奏し易くできる。例文帳に追加

The smaller thickness requires the smaller load according to the relation between the deflection of the thin-walled part 20 and its load, the rapture strength of the part 20 is enhanced and reaction to a fingertip comes near to an ideal condition to conduct easily musical performance, by balancing the bending stress (σc) with the load. - 特許庁