RU2011115672A - METHOD FOR DETERMINING ENDURANCE LIMIT OF LOW-CARBON LOW-ALLOYED STEELS - Google Patents

METHOD FOR DETERMINING ENDURANCE LIMIT OF LOW-CARBON LOW-ALLOYED STEELS Download PDF

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RU2011115672A
RU2011115672A RU2011115672/28A RU2011115672A RU2011115672A RU 2011115672 A RU2011115672 A RU 2011115672A RU 2011115672/28 A RU2011115672/28 A RU 2011115672/28A RU 2011115672 A RU2011115672 A RU 2011115672A RU 2011115672 A RU2011115672 A RU 2011115672A
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Russia
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low
determining
carbon
endurance limit
alloyed steels
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RU2011115672/28A
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Russian (ru)
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RU2476855C2 (en
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Юлия Данииловна Шаповалова (RU)
Юлия Данииловна Шаповалова
Любовь Айзиковна Ефименко (RU)
Любовь Айзиковна Ефименко
Татьяна Ивановна Романова (RU)
Татьяна Ивановна Романова
Даниил Исаакович Якиревич (RU)
Даниил Исаакович Якиревич
Original Assignee
Федеральное государственное образовательное учреждение высшего профессионального образования Курская государственная сельскохозяй
Федеральное государственное образовательное учреждение высшего профессионального образования Курская государственная сельскохозяйственная академия имени профессора И.И. Иванова Министерства сельского хозяйства Российской Федерации
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Application filed by Федеральное государственное образовательное учреждение высшего профессионального образования Курская государственная сельскохозяй, Федеральное государственное образовательное учреждение высшего профессионального образования Курская государственная сельскохозяйственная академия имени профессора И.И. Иванова Министерства сельского хозяйства Российской Федерации filed Critical Федеральное государственное образовательное учреждение высшего профессионального образования Курская государственная сельскохозяй
Priority to RU2011115672/28A priority Critical patent/RU2476855C2/en
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Abstract

Способ определения предела выносливости низкоуглеродистых низколегированных сталей, включающий определение предела текучести образца, отличающийся тем, что дополнительно определяют его структурно-фазовый состав и рассчитывают предел выносливости по формуле ! σ-1=σ0,2[1+exp(-1/NФ)], ! где σ0,2 - предел текучести образца; ! NФ - доля ферритной фазы в структуре металла. A method for determining the fatigue limit of low-carbon low alloy steels, including determining the yield strength of a sample, characterized in that it further determines its structural-phase composition and calculate the fatigue limit by the formula! σ-1 = σ0.2 [1 + exp (-1 / NФ)],! where σ0,2 is the yield strength of the sample; ! NF is the fraction of the ferritic phase in the metal structure.

Claims (1)

Способ определения предела выносливости низкоуглеродистых низколегированных сталей, включающий определение предела текучести образца, отличающийся тем, что дополнительно определяют его структурно-фазовый состав и рассчитывают предел выносливости по формулеA method for determining the fatigue limit of low-carbon low alloy steels, including determining the yield strength of a sample, characterized in that it further determines its structural-phase composition and calculate the fatigue limit by the formula σ-1=σ0,2[1+exp(-1/NФ)],σ -1 = σ 0.2 [1 + exp (-1 / N Ф )], где σ0,2 - предел текучести образца;where σ 0.2 is the yield strength of the sample; NФ - доля ферритной фазы в структуре металла. N f - the proportion of the ferritic phase in the metal structure.
RU2011115672/28A 2011-04-20 2011-04-20 Method for determining endurance limit of low-carbon low-alloyed steels RU2476855C2 (en)

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RU2011115672/28A RU2476855C2 (en) 2011-04-20 2011-04-20 Method for determining endurance limit of low-carbon low-alloyed steels

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RU2011115672/28A RU2476855C2 (en) 2011-04-20 2011-04-20 Method for determining endurance limit of low-carbon low-alloyed steels

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RU2476855C2 RU2476855C2 (en) 2013-02-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2685458C1 (en) * 2018-02-13 2019-04-18 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Method for determining strength characteristics of low-carbon steels
CN108535105B (en) * 2018-03-22 2020-12-15 中国科学院金属研究所 Method for predicting fatigue strength of vermicular graphite cast iron
WO2020186315A1 (en) * 2019-03-18 2020-09-24 Национальная Академия Авиации Method for determining the strength properties of thin polymer coatings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1392441A1 (en) * 1986-05-19 1988-04-30 Предприятие П/Я А-3985 Method of determining fatigue limit of material samples
SU1758491A1 (en) * 1990-07-10 1992-08-30 Всесоюзный научно-исследовательский институт транспортного строительства Method of evaluation of limit of endurance of material
RU2234692C1 (en) * 2003-06-23 2004-08-20 Беленький Дмитрий Михелевич Method of determining physical criterion of material strength
ATE541199T1 (en) * 2006-06-28 2012-01-15 Skf Ab METHOD FOR INDICATING FATIGUE DAMAGE TO A METAL OBJECT

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Effective date: 20130421