id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
american_scientific_journal-1184	El-Megharbel, Abla Abd El-Kader; Saleh, Reham; Ali, Gamal	Determination of Springback Values in Bending I-sections with Tresca Criteria	2015	15	.pdf	application/pdf	3900	138	57	The relationship between the principal stresses and strain for the elastic according to Hooke's law , Figure 2: The I-section 𝜀𝑥 = 1 𝐸 �𝜎𝑥 − 𝒱𝒱�𝜎𝑦 + 𝜎𝑧�� , 𝜀𝑦 = 1 𝐸 �𝜎𝑦 − 𝒱𝒱(𝜎𝑥 + 𝜎𝑧)� , 𝜀𝑧 = 1 𝐸 �𝜎𝑧 − 𝒱𝒱�𝜎𝑦 + 𝜎𝑥��, (3) Using the deformation theory of plasticity, formulation of the problem and springback ratio is derived using modified Ludwik stress strain relationship with Tresca and von Mises yielding criteria.	cache/american_scientific_journal-1184.pdf	txt/american_scientific_journal-1184.txt