Results 71 to 80 of about 7,999 (220)

Possibilities of increasing the dimensional accuracy of nodular cast iron castings

Journal of Physics: Conference Series, 2020
Abstract This paper is devoted to influence of the size and number of graphite inclusions in high-strength cast iron on pre-shrinkage expansion and, as a result, on linear shrinkage and dimensional accuracy of castings. It was established that influencing the number and size of graphite inclusions it is possible to increase the ...
A S Eletskaya, E A Shibeev, G S Garibyan, E N Eremin, A V Tiyan, A A Tokarev   +5 more
openaire   +1 more source

Gingival and Periodontal Diseases and Conditions in Children and Adolescents: Consensus Report

Journal of Clinical Periodontology, EarlyView.
ABSTRACT Background The objectives of this Focused Workshop were to update the epidemiology, aetiology, risk factors, diagnosis and management of gingival and periodontal diseases and conditions in children and adolescents, and to explore the applicability of the 2018 Classification in children and adolescents.
Iain Chapple, Sotiria Gizani, Mariano Sanz, Dominique Declerck, Phoebus Madianos, Valerie Clerehugh, Monique Danser, Esti Davidovich, Janet Davies, Nikos Donos, Elisabeth Dursun, Elena Figuero, Filippo Graziani, Mervi Gursoy, Soren Jepsen, Clara Joseph, Moritz Kebschull, Norbert Kraemer, Tina Lambrinaki, Rodrigo López, David J. Manton, Joerg Meyle, Ana Molina, Lior Shapira, Cheryl Somani, Georgios Tsilingaridis, Svante Twetman, Nicola West, Biniyam Wondimu, Ferranti Wong, David Herrera   +30 more
wiley   +1 more source

Fracture analysis of nodular cast iron crankshaft

Metalurgija, 2020
Based on the analysis of the fracture of a certain type of QT800-2 nodular cast iron crankshaft, the cause analysis of the fracture crankshaft is discussed based on macroscopic inspection, metallographic analysis and mechanical properties test.
M. S. Xu, J. L. Shi
doaj  

Antibiotic‐mediated immune modulation in periodontitis

Periodontology 2000, EarlyView.
Abstract Periodontitis is a chronic inflammatory disease affecting the supporting structures of the teeth. Although initiated by dysbiotic microbial communities, its progression is largely driven by the host's uncontrolled inflammatory response. While antibiotics have conventionally been employed in periodontitis therapy for their antimicrobial ...
Lina J. Suárez, R. M. Arce, Camila Pinheiro Furquim, Cristiane Gonçalves, Alpdogan Kantarci, Magda Feres, Nidia C. Castro dos Santos   +6 more
wiley   +1 more source

Materials processing threshold report: 2. Use of low gravity for cast iron process development [PDF]

Potential applications of a low gravity environment of interest to the commercial producers of cast iron were assessed to determine whether low gravity conditions offer potential opportunities to producers for improving cast iron properties and expanding
Frankhouser, W. L.
core   +1 more source

State of the Art of Laser Hardening and Cladding [PDF]

, 2005
In this paper an overview is given about laser surface modification processes, which are developed especially with the aim of hardness improvement for an enhanced fatigue and wear behaviour.
Meijer, J., Partes, K., Vollertsen, F.
core   +1 more source

Projection-based measurement and identification

, 2019
A recently developed Projection-based Digital Image Correlation (P-DVC) method is here extended to 4D (space and time) displacement field measurement and mechanical identification based on a single radiograph per loading step instead of volumes as in ...
BK Bay, C Jailin, E Maire, E Maire, F Hild, H Leclerc, JC Passieux, LA Gomes Perini, S Roux, T Taillandier-Thomas   +9 more
core   +1 more source

Early evolutionary history of the seed

Biological Reviews, Volume 101, Issue 3, Page 1511-1553, June 2026.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman, Alan R. T. Spencer, Jason Hilton   +2 more
wiley   +1 more source

The feasibility of low-G grey solidification of nodular iron in the F-104 experimental furnace package [PDF]

The rationale for low-g experiments with cast iron and the need for solidification in the grey form during these experiments are reviewed. The factors which determine whether an iron melt will solidify grey or white are discussed.
Curreri, P. A., Smith, G. A., Workman, G.   +2 more
core   +1 more source

Trace elements and graphite shape degeneracy in nodular graphite cast irons [PDF]

, 2016
Graphite degeneracy in spheroidal graphite cast iron is a common issue faced by foundries. It is generally associated with the presence of so-called poisoning elements and may in some cases be suppressed by the addition of other elements. Mastering these
Lacaze, Jacques
core   +3 more sources