Mechanics of Materials Lab Lecture 17 Cyclic Plasticity

Mechanics of Materials Lab Lecture 17 Cyclic Plasticity Mechanical Behavior of Materials Chapter 12 Jiangyu Li University of Washington Jiangyu Li, University of Washington

Stress Strain Curve Bauschinger effect Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Rheological Modeling of Nonlinear Hardening Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Aluminum Steel Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture, and Fatigue, Third Edition, by Norman E. Dowling. ISBN 0 -13 -186312 -6. © 2007 Pearson Education, Inc. , Upper Saddle River, NJ. All rights reserved. This material is protected by Copyright and written permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department, Pearson Education Inc. , Upper Saddle river, NJ 07458. Jiangyu Li, University of Washington

Assignment 1. Mechanical Behavior Materials(Textbook) 12. 19 1. For a bar of L=160 mm long, r=10 mm in diameter, with shear modulus G=50 GPa 1. 2. Predict the torque-angle of twist curve based on power hardening law, using H=413 MPa, n=0. 0633 Predict the towque-angle of twist curve based on Ramburg-Osgood model, using H=407 MPa, n=0. 0490 Jiangyu Li, University of Washington