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Record W4212966007 · doi:10.1002/9781119420507.ch7

High‐Temperature Grain‐Boundary Embrittlement and Creep

2022· other· en· W4212966007 on OpenAlexaff
Nirmal K. Sinha, Shoma Sinha

Bibliographic record

Venuenot available
Typeother
Languageen
FieldMaterials Science
TopicMicrostructure and mechanical properties
Canadian institutionsQueen's UniversityNational Research Council Canada
Fundersnot available
KeywordsMaterials scienceEmbrittlementGrain boundaryIntergranular corrosionShearing (physics)CrackingCreepBrittlenessMetallurgyFracture mechanicsAcoustic emissionComposite materialAlloyMicrostructure

Abstract

fetched live from OpenAlex

The subject of material failure is vast and expanding rapidly as newer tools for micromechanical examinations and newer materials are being developed and their uses are increasing in wide-ranging applications, such as nanoengineering. High-temperature embrittlement has equivocally been linked to the formation of “intergranular voids and cracks”. Griffith's theory of crack propagation is unmistakably the most powerful concept that provided a fertile ground for the study of fracture in brittle solids. The practical use of acoustic emission or microseismic techniques is growing and has become an integral branch of the wide-ranging field of nondestructive testing. The Hall-Petch effect is rooted in the minds of most engineers and materials scientists familiar with fracture behavior of metals, alloys, and nonmetallic materials at room temperature. The chapter explores the role of grain-boundary shearing in cracking further and examines the link between microcracking at elevated temperature and delayed elasticity.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.337
Threshold uncertainty score0.663

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.3370.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.006
GPT teacher head0.205
Teacher spread0.199 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designNot applicable
Domainnot available
GenreOther

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2022
Admission routes1
Has abstractyes

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