Page 10 - Corrosion Engineering Principles and Practice

viii C o n t e n t s C o n t e n t s ix

10.2.5 Examples of Buried Systems . . . . . . . 398
10.2.6 Corrosion of Materials
Other Than Steel . . . . . . . . . . . . . . . . . 403
10.3 Microbiologically Influenced Corrosion . . . . 407
10.3.1 Planktonic or Sessile . . . . . . . . . . . . . . 409
10.3.2 Microbes Classification . . . . . . . . . . . 411
10.3.3 Monitoring Microbiologically
Influenced Corrosion . . . . . . . . . . . . . 416
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428
11 Materials Selection, Testing,
and Design Considerations . . . . . . . . . . . . . . . . . . 431
11.1 Materials Selection . . . . . . . . . . . . . . . . . . . . . . . 431
11.2 Complexity of Corrosion Conscious
Materials Selection . . . . . . . . . . . . . . . . . . . . . . 433
11.2.1 Multiple Forms of Corrosion . . . . . . 433
11.2.2 Multiple Material/
Environment Combinations . . . . . . . 434
11.2.3 Precision of Corrosion Data . . . . . . . 437
11.2.4 Complexity of Materials/
Performance Interactions . . . . . . . . . 438
11.3 Selection Compromises . . . . . . . . . . . . . . . . . . . 440
11.3.1 Life-Cycle Costing . . . . . . . . . . . . . . . 441
11.3.2 Condition Assessment . . . . . . . . . . . . 443
11.3.3 Prioritization . . . . . . . . . . . . . . . . . . . . 445
11.4 Materials Selection Road Map . . . . . . . . . . . . . 445
11.4.1 Identify Initial Slate
of Candidate Materials . . . . . . . . . . . 446
11.4.2 Screen Materials Based
on Past Experience . . . . . . . . . . . . . . . 447
11.4.3 Conduct Environmental
Assessment . . . . . . . . . . . . . . . . . . . . . 447
11.4.4 Evaluate Materials Based on Potential
Corrosion Failure Modes . . . . . . . . . . 450
11.4.5 Select Corrosion Prevention
and Control Methods . . . . . . . . . . . . . 451
11.5 Design Considerations . . . . . . . . . . . . . . . . . . . 451
11.5.1 Designing Adequate Drainage . . . . . 454
11.5.2 Adequate Joining
and Attachments . . . . . . . . . . . . . . . . . 459
11.6 Testing Considerations . . . . . . . . . . . . . . . . . . . 463
11.6.1 Test Objectives . . . . . . . . . . . . . . . . . . . 463
11.6.2 Test Standards . . . . . . . . . . . . . . . . . . . 464
11.6.3 Cabinet Testing . . . . . . . . . . . . . . . . . . 471
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474