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AFRORMOSIA-ASSAMELA (Pericopsis elata)
Nombre comercial
Afrormosia-Assamela
Nombre científico (con autor)
Pericopsis elata Van Meeuv.
Familia
LEGUMINOSAE
Nombres Comunes
Assamela (Côte d`Ivoire); Yellow satinwood; Satinwood; Redbark; Golden afrormosia; Devils tree; Bonsamdua; Bohalala; Benin satinwood; Ayin; Awawai; Assemela; Asamela; Oleo pardo (France); Bohala (Zaire); Mohole (Zaire); Assamela (France); Ole (Zaire); Obang (Central African Republic); Obang (Cameroon); Kokrodua (Ghana); Afrormosia
Nombres científicos sinónimos (con autores)
Afrormosia elata Harms
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree reaches a height of 50 m. The bole is somewhat irregular, clear to 30 to 32 m in length and buttressed to a height of 2.5 m and then fluted. The trunk diameter attains from 100 to 200 cm.
Hábitat natural
Pericopsis elata is a gregarious species, it grows in both wet and dry forests. CITES, Appendix II : The export of this species shall require the prior grant and presentation of an export permit. It is known or inferred that the harvesting of specimens fr
Distribución natural
West Africa, mainly in Ghana and Cote d`Ivoire.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits Occasionally axial parenchyma confluent. Axial parenchyma confluent unilateral paratracheal. Axial parenchyma storied. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays storied. Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Non-septate fibers. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
CITES II
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
Light and pleasant odor.
Color
The sapwood is pale yellow brown, it has a thickness of 2.5 cm. The heartwood is yellow-brown darkening on exposure-dark veins, it is clearly demarcated. The silver figure is fine.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
Straight or sometimes interlocked. Usually interlocked grain is absent or very slight, without any effect on further processing operations.
Veta
Fine texture is reported in this species.
Brillo
Luster is usually low.
Durabilidad Natural
Because of variable resistance to decay, this species can be only considered as durable to decay; it can be utilized without preservative treatment for exterior joinery or similar uses. Resistant to termites attack. Heartwood is resistant to Lyctus attack
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
2
Internal growth stresses
For this species no growth stresses are reported.
Contenido de sílice
Silica Content: Negligible contents of silica are found in timber of this species. Amounts over 0.05% may affect the wood processing. Silica Value: 0.02
Dificultad para impregnar
Nearly impossible to treat with a too much low penetration of the preservative substances.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.66
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.74
Contracción Tangencial Total (Saturado hasta anhidro) (%)
5.9
Contracción Radial Total (Saturado hasta anhidro) (%)
3.2
Defectos por secado
Ease of Drying: Drying is fairly easy; some difficulties could occur when drying too fast. Drying Defects: No particular risks of drying defects, subject to normal drying conditions. Kiln Schedules: The kiln schedule has been tested.
Calendario de Secado
FR-7
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.8
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
950
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
133923
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
650
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
88
Cizallamiento radial CH12% (kgf/cm²)
90
Dureza Janka (lados) CH12% (kgf)
675
Dureza Janka (extremos) CH12% (kgf)
765
TRABAJABILIDAD
Aserrado
It is moderately easy to saw.
Corte de chapa rotativa
Suitable for slicing.
Chapa tranchada
Suitable for slicing.
Pérdida de filo_romado
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
Maquinado general
Possible difficulties caused by interlocked grain are reported.
Cepillado
Moderately easy; tools must be cautiously sharpened.
Moldurado
Moderately easy; tools must be cautiously sharpened.
Torneado
30
Taladrado
Moderately easy; tools must be cautiously sharpened.
Escopleado, caja y espiga
Moderately easy; tools must be cautiously sharpened.
Clavado
Pre-boring is necessary.
Encolado
Difficult to glue because of high density.
Lijado
Easy to perform; it gives good results.
Sacar lustre
Can be polished without surface preparation.
Doblar al vapor
This species can be used for steam bending.
Facilidad para herramientas manuales
No particular problems.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, boards, flooring, parquet, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, NAVAL CONSTRUCTION, boat deck, port storage, OTHER AND MUSICAL INSTRUMENTS, handicrafts
VIVIENDA GENERAL
- 10 - Silica in Timbers
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Marcos
- 16 - Woods of the World
Peldaños
- 17 - Tree Conservation Database
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
Accesorios de madera
- 19 - Silica in Timbers
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
chapa decorativa
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneado
- 30 - Embassy of Honduras in Japan
artículos torneados
- 31 - Embassy of Colombia in Japan
Artículos torneados
- 32 - Embassy of Cote d`Ivoire in Japan
mangos de cuchillos
- 33 - Embassy of Gabon in Japan
Hormas zapato
- 34 - Embassy of Indonesia in Japan
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes_cubierta
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Puertos_estantería
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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