A new expression to evaluate the critical fracture load for bainitic functionally graded steels under mixed mode (I + II) loading

Salavati, H.; Alizadeh, Y.; Kazemi, Alireza; Berto, Filippo

doi:10.1016/j.engfailanal.2014.11.005

Cited by 19 publications

(10 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Regarding the fracture of notched FGMs specimens, there are very few papers on this issue in the literatures. [38][39][40][41][42][43][44] The assessments were mainly oriented on functionally graded aluminium-silicon carbide and functionally graded steels. The fracture of U-notched aluminium-silicon carbide FGM specimens was investigated by Barati et al 39 They studied the effect of notch depth on J-integral and critical fracture loads of specimens under mode I loading.…”

Section: Introductionmentioning

confidence: 99%

Retracted: Fracture investigation of U‐notch made of tungsten–copper functionally graded materials by means of strain energy density

Mohammadi

Salavati

Alizadeh

et al. 2017

Fatigue Fract Eng Mat Struct

Self Cite

View full text Add to dashboard Cite

The averaged strain energy density over a well‐defined control volume was employed to assess the fracture of U‐notched specimens made of tungsten–copper functionally graded materials under prevalent mode II loading. The boundary of control volume was evaluated by using a numerical method. Power law function was employed to describe the mechanical properties (elasticity modulus, Poisson's ratio, fracture toughness and ultimate tensile stress) through the specimen width. The effect of notch tip radius and notch depth on notch stress intensity factors and mode mixity parameter χ were assessed. In addition, a comparison based on fracture load between functionally graded and homogeneous W–Cu was made. Furthermore, in this research, it was shown that the mean value of the strain energy density over the control volume can be accurately determined using coarse meshes for functionally graded materials.

show abstract

Section: Introductionmentioning

confidence: 99%

Retracted: Fracture investigation of U‐notch made of tungsten–copper functionally graded materials by means of strain energy density

Mohammadi

Salavati

Alizadeh

et al. 2017

Fatigue Fract Eng Mat Struct

Self Cite

View full text Add to dashboard Cite

show abstract

“…Figure 8 shows the maximum principal stress and SED contour lines for the configuration with ρ = 0.4 mm and a = 1.1 mm. It should be noted that, both the averaged value of strain energy density over the control volume and also the fracture load are not sensitive to the increasing of the number of elements [28]. Therefore, the coarse mesh with approximately 100 elements is applied to assess the fracture loads (Fig.…”

Section: Employing the Averaged Strain Energy Density Criterion To Vo-notched Wcu Fgm Specimens Under The Prevalent Mode IImentioning

confidence: 99%

Prevalent Mode II Fracture Investigation of VO-Notched Specimens Made of Tungsten–Copper Functionally Graded Materials

et al. 2020

Self Cite

View full text Add to dashboard Cite

Â ñòàòüå ýêñïåðèìåíòàëüíî è òåîðåòè÷åñêè èçó÷åí ïðåîáëàäàþùèé ðåaeèì ðàçðóøåíèÿ îáðàçöîâ ñ V-îáðàçíûìè íàäðåçàìè ñ êîíöåâûìè îòâåðñòèÿìè (VO-îáðàçíûå íàäðåçû) èç ôóíêöèîíàëüíî-ãðàäèåíòíîãî ìàòåðèàëà ñîñòàâà WCu. Îáðàçöû èçãîòàâëèâàëè ìåòîäîì ïîðîøêîâîé ìåòàëëóðãèè. Èñïûòàíèÿ íà ðàçðóøåíèå âîëüôðàì-ìåäíûõ îáðàçöîâ ñ VO-îáðàçíûì íàäðåçîì ïðè íàãðóaeåíèè ïðåèìóùåñòâåííî ïî òèïó II ïðîâîäèëè äëÿ ðàçëè÷íûõ çíà÷åíèé ðàäèóñà âåðøèíû íàäðåçà è åãî ãëóáèíû. Âåëè÷èíó ðàçðóøàþùåé íàãðóçêè îáðàçöîâ ñ VO-îáðàçíûì íàäðåçîì â óñëîâèÿõ ïðåîáëàäàþùåãî ðåaeèìà íàãðóaeåíèÿ îïðåäåëÿëè íà îñíîâå êðèòåðèÿ ïëîòíîñòè ýíåðãèè äåôîðìàöèè, óñðåäíåííîé ïî çàäàííîìó êîíòðîëüíîìó îáúåìó. Èçó÷åíî âëèÿíèå ðàäèóñà âåðøèíû, ãëóáèíû è óãëà ðàñêðûòèÿ íàäðåçà íà âåëè÷èíó ðàçðóøàþùåé íàãðóçêè. Ïîëó÷åííûå ðåçóëüòàòû ïîäòâåðaeäàþò ïðèìåíèìîñòü òåîðèè ïëîòíîñòè ýíåðãèè äåôîðìàöèè äëÿ èçó÷åíèÿ ðàçðóøåíèÿ îáðàçöîâ ãðàäèåíòíûõ ìàòåðèàëîâ ñ VO-îáðàçíûì íàäðåçîì â óñëîâèÿõ ïðåîáëàäàþùåãî ðåaeèìà íàãðóaeåíèÿ.Êëþ÷åâûå ñëîâà: ôóíêöèîíàëüíî-ãðàäèåíòíûå ìàòåðèàëû, âîëüôðàì, ìåäü, VO-îáðàçíûé íàäðåç, íàãðóaeåíèå òèïà II, ïëîòíîñòü ýíåðãèè äåôîðìàöèè

show abstract

“…24 Recently, the strain energy density (SED) approach has revealed to be able to predict the fracture behavior of several notched materials easily and accurately. [25][26][27][28][29] The SED approach, in fact, is geometry independent, and it is not limited by the need of an accurate evaluation of the stress field ahead of the notches. Hence, engineers and practitioners have shown interest in the approach, mainly because of its ability to predict failure loads of notched components within an acceptable engineering range of ±20%.…”

Section: Introductionmentioning

confidence: 99%

Experimental characterization and theoretical prediction of quasi‐static fracture behavior of notched ZK60‐T5 Mg samples

Albinmousa

Peron

Razavi

et al. 2021

Fatigue Fract Eng Mat Struct

View full text Add to dashboard Cite

Magnesium and its alloys have increasingly gained attention due to their attractive properties, including the high specific strength that makes them suitable for several applications in different industries. However, their applications in load-bearing components require an understanding of their fracture behavior especially when notches are present which is still limited. The aim of this work is to investigate the fracture behavior of notched ZK60-T5 magnesium.Eleven different U-and V-notched geometries were examined. The mechanical tests showed that the presence of notches reduces the ductility of the material. This was confirmed by the SEM as the size of the shear lips was shown to decrease by increasing the notch acuity. The Strain Energy Density (SED) is used to predict the failure loads of the differently notched samples, and the results suggest high reliability of this approach with deviations between the theoretical and experimental data often lower than 10%.

show abstract

A new expression to evaluate the critical fracture load for bainitic functionally graded steels under mixed mode (I + II) loading

Cited by 19 publications

References 38 publications

Retracted: Fracture investigation of U‐notch made of tungsten–copper functionally graded materials by means of strain energy density

Retracted: Fracture investigation of U‐notch made of tungsten–copper functionally graded materials by means of strain energy density

Prevalent Mode II Fracture Investigation of VO-Notched Specimens Made of Tungsten–Copper Functionally Graded Materials

Experimental characterization and theoretical prediction of quasi‐static fracture behavior of notched ZK60‐T5 Mg samples

Contact Info

Product

Resources

About