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Fatigue of Metallic Materials

Fatigue of Metallic Materials
type: Vorlesung (V)
semester: WS 19/20
time: 2019-10-16
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude


2019-10-23
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-10-30
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-11-06
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-11-13
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-11-20
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-11-27
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-12-04
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-12-11
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2019-12-18
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2020-01-08
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2020-01-15
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2020-01-22
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2020-01-29
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude

2020-02-05
14:00 - 15:30 wöchentlich
10.91 Raum 228
10.91 Maschinenbau, Altes Maschinenbaugebäude


lecturer: Dr. Karl-Heinz Lang
Dr.-Ing. Stefan Guth
sws: 2
lv-no.: 2173585
Notes

Introduction: some interesting cases of damage

Cyclic Stress Strain Behaviour

Crack Initiation

Crack Propagation

Lifetime Behaviour under Cyclic Loading

Fatigue of Notched Components

Influence of Residual Stresses

Structural Durability

learning objectives:

The students are able to recognise the deformation and the failure behaviour of metallic materials under cyclic loading and to assign it to the basic microstructural processes. They know the sequence and the development of fatigue damages and can evaluate the initiation and the growth of fatigue cracks.

The students can assess the cyclic strength behaviour of metallic materials and components both qualitatively and quantitatively and know the procedures for the assessment of single-stage, multistage and stochastic cyclical loadings. Furthermore, they can take into account the influence of residual stresses.

requirements:

none, basic knowledge in Material Science will be helpful

workload:

regular attendance: 21 hours
self-study: 99 hours

Prerequisites

none, basic knowledge in Material Science will be helpful

Bibliography

Lecture notes that include a list of current literature
will be distributed.

Content of teaching

Introduction: some interesting cases of damage

Cyclic Stress Strain Behaviour

Crack Initiation

Crack Propagation

Lifetime Behaviour under Cyclic Loading

Fatigue of Notched Components

Influence of Residual Stresses

Structural Durability

Workload

regular attendance: 21 hours
self-study: 99 hours

Aim

The students are able to recognise the deformation and the failure behaviour of metallic materials under cyclic loading and to assign it to the basic microstructural processes. They know the sequence and the development of fatigue damages and can evaluate the initiation and the growth of fatigue cracks.

The students can assess the cyclic strength behaviour of metallic materials and components both qualitatively and quantitatively and know the procedures for the assessment of single-stage, multistage and stochastic cyclical loadings. Furthermore, they can take into account the influence of residual stresses.

Exam description

oral
Duration: about 20 minutes
none