< Retour BLACK BEAN (Castanospermum australe) Version imprimable
BLACK BEAN (Castanospermum australe)
Nom commercial
Black bean
Nom scientifique (avec auteur)
Castanospermum australe A. Cunn. & C. Fraser
Famille
LEGUMINOSAE
Noms communs (pays)
Moreton Bay chestnut; Bean tree; Moreton bay chesnut (United States of America); Black bean (United Kingdom); Black bean (United States of America); Moreton bay chesnut (United Kingdom)
DESCRIPTION DE L'ARBRE
Description botanique
It is a medium-sized to fairly large tree up to 40 m tall. The bole is free of branches for up to 20 m, up to 135 cm in diameter. The buttresses are absent.
Habitat naturel
Castanospermum australe is reported in primary coastal rain forests and along beaches. It thrives on wet soils of moderate fertility.
Répartition naturelle
It ranges from northern New South Wales to the Cook town-Atherton area of Queensland.
Existence de plantations?
Plantations are reported in Sri Lanka and Papua New Guinea.
Usages non ligneux
Logs of this species are reported to present brittle heart. Black bean is reported to be not suitable for pulping, cement or particle board making.
IDENTIFICATION DU BOIS
Description anatomique du bois
Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Intervessel pits small, 7 micras or less. Axial parenchyma lozenge-aliform. Axial parenchyma confluent. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays and/or axial elements irregularly storied. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-I Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Teinte
The sapwood ranges from white to yellowish. The heartwood is dark brown, darkening to almost back with age.
Index de Teinte (1 = Noir, 7 = Jaune clair)
3
Grain
The grain is usually straight, occasionally interlocked.
Texture
A coarse texture is reported in this species.
Durabilité naturelle
It is resistant to termite attack.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
2
Résistance à l'imprégnation
The sapwood is moderately permeable to preservatives, but the heartwood is untreatable.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.58
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.64
Retrait tangentiel total (saturé à 0%TH) (%)
14.9
Retrait radial total (saturé à 0%TH) (%)
9.3
Défauts dus au séchage
Ease of Drying: Air seasoning is reported to be good but slow. Material thicker than one inch requires slow drying. Drying Defects: Honeycombing is reported in thick stock. It has a tendency to warp and check.
Calendrier de séchage en séchoir recommandé
UK-C; US-T3-C2
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.6
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1039
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
137565
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
581
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
92
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
127
Dureté Janka (latérale) 12%TH (kgf)
703
Dureté Janka (extrémités) 12%TH (kgf)
839
OUVRABILITÉ
Coupe de placage de déroulage
Tests on the suitability for the production of veneer showed moderate results.
Placage tranche
Tests on the suitability for the production of veneer showed moderate results.
Effet d'émoussement
Wood of this species produces a moderate blunting effect.
Usinage
The working properties are generally satisfactory but may be affected by alternating soft and hard patches.
Tournage
30
Clouage
This species is reported to have a good nailing behavior.
Collage
It is easy to glue, but occasionally gluing is problematic because of the slightly greasy nature of the wood.
Teinture
Wood of this species is easy to stain.
Polissage
It is easy to polish.
Cintrage à la vapeur
This species is reported to have a moderate response to steam bending.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, SPORTS, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles luxe
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Armoires
- 24 - Empire Timbers
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Placage tranché
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Tournage
- 30 - Embassy of Honduras in Japan
SPORTS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
AUTRES ET INSTRUMENTS DE MUSIQUE
- 63 - Madeiras do Brazil II
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Moulures
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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