Influence of strain state in mechanical behaviour of aluminium alloys using the Small Punch Test

Cuesta, I.I.; Alegre, J.M.; Lorenzo, M.

doi:10.1016/j.matdes.2013.08.038

Cited by 22 publications

(18 citation statements)

References 21 publications

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“…5), it is possible to identify two failure modes. The first corresponds to the specimen with L eff = 2.5 mm where a circumferential necking failure occurs typically from unnotched specimens [16]. The second takes place after crack propagation in the notch direction.…”

Section: Ewf For Pre-notched Spt Specimensmentioning

confidence: 99%

Polymer pre-notched small punch specimens to evaluate the essential work of fracture (EWF) parameters

Cuesta¹,

Alegre²,

Ortega-López

2015

Materials & Design

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Section: Ewf For Pre-notched Spt Specimensmentioning

confidence: 99%

Polymer pre-notched small punch specimens to evaluate the essential work of fracture (EWF) parameters

Cuesta¹,

Alegre²,

Ortega-López

2015

Materials & Design

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“…These failures modes had been observed and described in previous work . Basically, the first corresponds to specimens with

L_{eff} \geq 2.1 mm

where a circumferential necking failure typically takes place in unnotched specimens . For reasons previously mentioned, these specimens are discarded for the application of EWF.…”

Section: Resultsmentioning

confidence: 99%

Analysis of the effect of the test rate on polymer essential work of fracture parameters for the small punch test

Cuesta¹,

Alegre²

2016

J of Applied Polymer Sci

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In recent decades, one of the non-standard tests that has been consolidated as a viable alternative in those cases where there is not sufficient material to carry out standard tests is the small punch test. This test basically consists of deforming a miniature specimen using a high strength punch. It is possible for this miniature specimen to have an initial pre-notch with the aim of improving the fracture behavior estimation of the material analyzed. Recently, to characterize the fracture properties of polymer sheets under plane stress conditions, there has been an attempt to establish the feasibility of applying the essential work of fracture (EWF) method in polymer pre-notched miniature specimens. This article intends to go one step beyond and focuses on the test rate, which is an important aspect in the EWF application. Its effect on the EWF parameters in polymer pre-notched miniature specimens has been analyzed and its correlation has been established with the results obtained from standard specimens. V C 2016 Wiley Periodicals, Inc. J.Appl. Polym. Sci. 2016, 133, 43314.

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“…The punch drop rate was v = 0.5 mm/min. Due to the influence of the specimen thickness, which in some cases had not been perfectly achieved, the SPT load-displacement curves had to be corrected to a reference thickness (0.5 mm) for comparison [18].…”

Section: Methodsmentioning

confidence: 99%

Effect of confinement level on mechanical behaviour using the small punch test

Cuesta¹,

Rodríguez

García

et al. 2015

Engineering Failure Analysis

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Influence of strain state in mechanical behaviour of aluminium alloys using the Small Punch Test

Cited by 22 publications

References 21 publications

Polymer pre-notched small punch specimens to evaluate the essential work of fracture (EWF) parameters

Polymer pre-notched small punch specimens to evaluate the essential work of fracture (EWF) parameters

Analysis of the effect of the test rate on polymer essential work of fracture parameters for the small punch test

Effect of confinement level on mechanical behaviour using the small punch test

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