2010
DOI: 10.1590/s1516-14392010000400005
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Influence of phosphorus content and quenching/tempering temperatures on fracture toughness and fatigue life of SAE 5160 steel

Abstract: This study investigates the influence of quenching/tempering temperatures on the fracture toughness and fatigue life of SAE 5160 steel, considering different phosphorus contents. Quenching and tempering treatments were applied to samples removed from different bars of commercial SAE 5160 steel with different P content. Three different austenitizing temperatures for quenching: 850, 900 and 1000 °C and a constant holding time of 15 minutes were used. The oil temperature for quenching was kept at 66 °C and the te… Show more

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Cited by 13 publications
(4 citation statements)
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“…The effect of Pb % in SAE5160 steel was measured after introducing the temper temperature and employing the cooling oil at 66 Co. Charpy experiments revealed that the presence of phosphorus causes embrittlement even at low levels of phosphorus and causes intergranular fracture. While taking nucleation life into consideration, embrittlement has no influence on the specimen's nucleation fatigue life [4]. 5160 steel specimens containing 0.001 and 0.034 in mass phosphorus were austenitized at temperatures ranging from 830 to 1100 °C before being quenched to produce martensite.…”
Section: Introductionmentioning
confidence: 99%
“…The effect of Pb % in SAE5160 steel was measured after introducing the temper temperature and employing the cooling oil at 66 Co. Charpy experiments revealed that the presence of phosphorus causes embrittlement even at low levels of phosphorus and causes intergranular fracture. While taking nucleation life into consideration, embrittlement has no influence on the specimen's nucleation fatigue life [4]. 5160 steel specimens containing 0.001 and 0.034 in mass phosphorus were austenitized at temperatures ranging from 830 to 1100 °C before being quenched to produce martensite.…”
Section: Introductionmentioning
confidence: 99%
“…Após os tratamentos térmicos, a análise microetruturalfoi realizado por microscopia eletrônica de varredura, as fases identificadas por difração de Raios-X e as propriedades mecânicas avaliadas por ensaios de dureza e de tração. Outros autores podem ser citados, como: Gojic [10], Reguly [11], Albano [12], Castro [13], etc. No entanto, resta muito a se investigar a respeito dos efeitos das temperaturas de Revenimentonas propriedades de diferentes materiais.…”
Section: Introductionunclassified
“…Aço AISI 5160 é utilizado como material prima para molas, devido ao seu ótimo custo benefício, alcançando boas propriedades mediante tratamentos térmicos [1][2][3]. Cada tratamento térmico tem um conjunto de variáveis a serem avaliadas, possibilitando mudanças microestruturais no material, alterando suas propriedades [3;4].…”
Section: Introductionunclassified