On the applicability of the small punch test to the characterization of the 1CrMoV aged steel: Mechanical testing and numerical analysis

2013 ◽  
Vol 34 ◽  
pp. 189-203 ◽  
Author(s):  
M. Madia ◽  
S. Foletti ◽  
G. Torsello ◽  
A. Cammi
Keyword(s):  
Numerical Analysis ◽  
Mechanical Testing ◽  
Small Punch Test ◽  
Small Punch ◽  
Punch Test

Small Punch Testing of Exposed High-Pressure Steam Pipelines

2013 ◽  
Author(s):  
Petr Dymáček ◽  
Ferdinand Dobeš
Keyword(s):  
Residual Life ◽  
Tensile Creep ◽  
Small Punch Test ◽  
Small Punch ◽  
Punch Test ◽  
Pressure Steam ◽  
Material Sample ◽  
Steam Pipes ◽  
Deflection Rate

Non-disruptive material sample scooping is frequently applied to a range of operating components since it is supposed that removal of small amount of material from the surface has no effect on components integrity. As-removed material is then subjected to mechanical testing by small punch test to estimate tensile, creep and fracture properties necessary for assessment of residual life of the component. The question arises whether the assumption that measurements on surface specimens are representative for the characterization of whole component is justified. For the verification of this assumption, four steam pipes after either plant- or simulated-exposure up to 104 000 hours were used. Small punch specimens were prepared from different positions within pipes. The dimensions of specimens enable to estimate mechanical properties for several dozens of specimens along available power-plant pipes’ walls. The paper summarizes the results of small punch tests at both constant deflection rate and constant force and at room and elevated temperature, respectively. In the walls of the investigated pipes, the results obtained on surface specimens do not differ substantially from the results on specimens prepared from central parts.

High-temperature small punch test for mechanical characterization of a nickel-base super alloy

2014 ◽  
Vol 613 ◽  
pp. 259-263 ◽  
Author(s):  
S. Soltysiak ◽  
M. Selent ◽  
S. Roth ◽  
M. Abendroth ◽  
M. Hoffmann ◽  
...  
Keyword(s):  
High Temperature ◽  
Mechanical Characterization ◽  
Small Punch Test ◽  
Small Punch ◽  
Punch Test ◽  
Nickel Base ◽  
Super Alloy

Characterisation of Mechanical Properties by Small Punch Test

2014 ◽  
Vol 606 ◽  
pp. 15-18 ◽  
Author(s):  
Jan Siegl ◽  
Petr Haušild ◽  
Adam Janča ◽  
Radim Kopřiva ◽  
Miloš Kytka
Keyword(s):  
Mechanical Properties ◽  
Coming Out ◽  
Nuclear Power ◽  
Power Plants ◽  
Fracture Toughness Test ◽  
Small Punch Test ◽  
Charpy Test ◽  
Small Punch ◽  
Punch Test

The specific desired properties for structures and components working in critical environments (e.g. different structure parts of power plants) require current information about degradation processes coming out in materials. Obtaining of this information by the help of the classical tests of mechanical properties (tensile test, Charpy test, fracture toughness test, creep test etc.) is very limited namely in the case of nuclear power plants pressure vessel. Hence, the new innovative techniques based on miniaturized specimens have been developed for evaluation of mechanical properties and their changes. One of very promising techniques is Small Punch Test. Present paper deals with characterization of three different steels (15Ch2MFA, 10GN2MFA with different heat treatment and steel O8Ch18NT10 with various degree of deformation).

Application of Small Punch Test for the characterization of welded joints of tubular structures

2010 ◽  
pp. 465-469 ◽  
Author(s):  
R Lacalle ◽  
S Cicero ◽  
J Álvarez ◽  
B Arroyo ◽  
F Gutiérrez-Solana
Keyword(s):  
Welded Joints ◽  
Tubular Structures ◽  
Small Punch Test ◽  
Small Punch ◽  
Punch Test
Sign in / Sign up

Export Citation Format

Share Document