{"doi":"10.4028/p-43wx05","title":"Determination of New Plasticity Characteristic of Alloys at Mechanical Compression and Tensile Tests and the Influence of Structural Factors on Plasticity","abstract":"<jats:p>In physics and mechanics, plasticity is defined as the ability of a material to undergo irreversible (plastic) deformation. Conventionally, the plastic strain at fracture in tensile tests, <jats:italic>δ,</jats:italic> has been used as a quantitative measure of plasticity. However, <jats:italic>δ</jats:italic> does not follow the scientific definition of plasticity. The influence of structural factors, temperature and strain rate on the value of <jats:italic>δ</jats:italic> were not elaborated over many decades. This lack of well-founded quantitative characteristic hindered efforts to control and to increase plasticity of materials. The plasticity characteristic that corresponds to the scientific definition of this quantity, <jats:italic>δ*</jats:italic> = plastic strain <jats:italic>ε<jats:sub>р</jats:sub></jats:italic>/ total strain <jats:italic>ε<jats:sub>t</jats:sub></jats:italic>, has been successfully used by many scientists to determine plasticity <jats:italic>δ*</jats:italic> by indentation. In the present work, the technique for the determination of the plasticity characteristic <jats:italic>δ*</jats:italic> during mechanical compression and tensile tests of metallic alloys has been introduced for the first time. In this case, <jats:italic>δ* </jats:italic>is determined more precisely than by indentation, and the second deformation curve <jats:italic>δ*=f*</jats:italic>(<jats:italic>ε<jats:sub>t</jats:sub></jats:italic>) is constructed. A theory of the influence of structural factors (grain size, dislocation density, disperse particles of the second phase) on the plasticity characteristic <jats:italic>δ*</jats:italic> has now been developed, making it possible to estimate the influence of the indicated factors on <jats:italic>δ*</jats:italic> and to design alloys with an optimal combination of strength and plasticity. The discovered correlation of the values of <jats:italic>δ*</jats:italic> and <jats:italic>δ </jats:italic>for steels and for aluminum alloys allows us to use the developed theory to calculate the influence of the structural factors on <jats:italic>d</jats:italic> for these materials as well.</jats:p>","journal":"Solid State Phenomena","year":2022,"id":596003,"datarank":0.10397207708399181,"base_score":0.6931471805599453,"endowment":0.6931471805599453,"self_citation_contribution":0.10397207708399181,"citation_network_contribution":0.0,"self_endowment_contribution":0.10397207708399181,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1526400,"name":"Boris A. Galanov","orcid":null,"position":1,"is_corresponding":false},{"id":1526401,"name":"Victor Goncharuk","orcid":null,"position":2,"is_corresponding":false},{"id":1526402,"name":"Igor V. Voskoboinik","orcid":null,"position":3,"is_corresponding":false},{"id":1526403,"name":"Irina Goncharova","orcid":null,"position":4,"is_corresponding":false},{"id":1526399,"name":"Yuly V. Milman","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Determination of New Plasticity Characteristic of Alloys at Mechanical Compression and Tensile Tests and the Influence of Structural Factors on Plasticity","abstract":"<jats:p>In physics and mechanics, plasticity is defined as the ability of a material to undergo irreversible (plastic) deformation. Conventionally, the plastic strain at fracture in tensile tests, <jats:italic>δ,</jats:italic> has been used as a quantitative measure of plasticity. However, <jats:italic>δ</jats:italic> does not follow the scientific definition of plasticity. The influence of structural factors, temperature and strain rate on the value of <jats:italic>δ</jats:italic> were not elaborated over many decades. This lack of well-founded quantitative characteristic hindered efforts to control and to increase plasticity of materials. The plasticity characteristic that corresponds to the scientific definition of this quantity, <jats:italic>δ*</jats:italic> = plastic strain <jats:italic>ε<jats:sub>р</jats:sub></jats:italic>/ total strain <jats:italic>ε<jats:sub>t</jats:sub></jats:italic>, has been successfully used by many scientists to determine plasticity <jats:italic>δ*</jats:italic> by indentation. In the present work, the technique for the determination of the plasticity characteristic <jats:italic>δ*</jats:italic> during mechanical compression and tensile tests of metallic alloys has been introduced for the first time. In this case, <jats:italic>δ* </jats:italic>is determined more precisely than by indentation, and the second deformation curve <jats:italic>δ*=f*</jats:italic>(<jats:italic>ε<jats:sub>t</jats:sub></jats:italic>) is constructed. A theory of the influence of structural factors (grain size, dislocation density, disperse particles of the second phase) on the plasticity characteristic <jats:italic>δ*</jats:italic> has now been developed, making it possible to estimate the influence of the indicated factors on <jats:italic>δ*</jats:italic> and to design alloys with an optimal combination of strength and plasticity. The discovered correlation of the values of <jats:italic>δ*</jats:italic> and <jats:italic>δ </jats:italic>for steels and for aluminum alloys allows us to use the developed theory to calculate the influence of the structural factors on <jats:italic>d</jats:italic> for these materials as well.</jats:p>","is_dataset_classified":null,"base_score":0.6931471805599453,"endowment":0.6931471805599453,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"23304386","pmcid":null,"openalex_id":"https://openalex.org/W4225160247","authors":[],"funders":[],"total_grants":0,"fwci":0.1277,"citation_percentile":0.32446796,"influential_citations":0,"citation_trend":[{"year":2024,"count":1}],"oa_status":"closed","license":"https://www.scientific.net/PolicyAndEthics/PublishingPolicies","oa_locations":[{"url":"https://www.scientific.net/SSP.331.11.pdf","host_type":"publisher"},{"url":"https://doi.org/10.4028/p-43wx05","host_type":"book series"}],"fields_of_study":["Metal and Thin Film Mechanics","Advanced materials and composites","Metal Alloys Wear and Properties"],"mesh_terms":[],"keywords":["Plasticity","Materials science","Indentation","Ultimate tensile strength","Compression (physics)","Deformation (meteorology)","Plasticity theory","Composite material"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-07-27T18:55:39.084320Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}