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BSI PD ISO/TR 10825-2:2022

$198.66

Gears. Wear and damage to gear teeth – Supplementary information

Published By Publication Date Number of Pages
BSI 2022 58
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PDF Catalog

PDF Pages PDF Title
2 National foreword
8 Foreword
9 Introduction
11 1 Scope
2 Normative References
3 Terms and definitions
4 Overview and warnings
4.1 Overview
12 4.2 Warnings
5 Tribological damage (non-fatigue)
5.1 General
5.2 Polishing
5.2.1 General
13 5.2.2 Summary of methods that have been observed to reduce the risk of polishing
5.3 Scratches
5.4 Abrasive wear
5.4.1 General
5.4.2 Sources of particles that cause abrasive wear
14 5.4.3 Methods for reducing abrasive wear
15 5.5 Scuffing
5.5.1 General
16 5.5.2 Methods for reducing the risk of scuffing
17 5.5.3 Summary of methods that have been observed to reduce the risk of scuffing
18 5.6 Adhesive wear (Adhesion)
5.6.1 General
19 5.6.2 Summary of methods that have been observed to reduce the risk of adhesive wear
5.7 Fretting corrosion
5.7.1 General
5.7.2 False brinelling
20 5.7.3 Fretting corrosion
5.7.4 Summary of methods that have been observed to reduce the risk of fretting
21 5.8 Interference wear
6 Fatigue damage
6.1 Fatigue cracks
6.2 Contact fatigue
6.2.1 General
6.2.2 Micropitting
25 6.2.3 Macropitting
29 6.2.4 Case crushing (subcase fatigue)
30 6.2.5 White layer flaking
6.2.6 Tooth flank fracture (TFF) (subsurface initiated bending fatigue)
31 6.2.7 Tooth interior fatigue fracture, TIFF
32 6.3 Bending fatigue
6.3.1 Tooth root fatigue fracture
37 6.3.2 Rim web and hub cracks
38 7 Non-fatigue fracture
7.1 General
39 7.1.1 Brittle fracture
40 7.1.2 Summary of methods that have been observed to reduce the risk of brittle fracture
41 7.1.3 Ductile fracture
7.1.4 Mixed mode fracture
7.2 Tooth root rupture
7.3 Tooth end rupture
42 7.4 Tooth shear fracture
8 Plastic Deformation
8.1 General
8.2 Indentation
8.3 Brinelling
8.4 Cold flow
8.5 Hot flow
8.6 Root fillet yielding
43 8.7 Fracture after plastic deformation
8.8 Rolling
8.9 Tooth hammer
8.10 Rippling
8.11 Ridging
8.12 Burr
8.13 Interference deformation
8.13.1 Tip to root fillet interference
8.13.2 Tip-to-dedendum interference
44 8.13.3 Tight mesh
9 Manufacturing problems
9.1 Forging cracks
9.2 Hardening cracks
9.2.1 General
9.2.2 Thermal stresses
9.2.3 Stress concentration due to heat treatment
45 9.2.4 Quench severity
9.2.5 Phase transformation
9.2.6 Material defects
9.2.7 Heat treating practice
9.2.8 Tempering practice
46 9.2.9 Detection of hardening cracks
9.2.10 Summary of methods that have been observed to reduce the risk of hardening cracks
9.3 Grinding cracks
9.3.1 General
9.3.2 Summary of methods that have been observed to reduce the risk of grinding cracks
47 9.4 Hydrogen and internal residual stress gear failures
9.4.1 General
9.4.2 Hydrogen flake term
48 9.4.3 Fish eye
9.4.4 Segregation cracks
49 9.4.5 Deferred breakage
9.5 Grinding burn (temper due to grinding)
9.6 Grinding notch
50 9.7 Scaling
9.8 Case/core separation
9.8.1 General
9.8.2 Summary of methods that have been observed to reduce the risk of case/core separation
51 10 Other surface damage
10.1 Corrosion
10.1.1 General
10.1.2 Summary of methods that have been observed to reduce the risk of corrosion
52 10.2 Cavitation
10.3 Erosion
10.4 Electric discharge
10.4.1 General
53 10.4.2 Summary of methods that have been observed to reduce the risk of electrical discharge damage
10.5 Overheating
54 Bibliography
BSI PD ISO/TR 10825-2:2022
$198.66