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Aba (Erythrophleum ivorense)
Family: Leguminosae Common names: Aba, Aloe, Alui, Amerere, Apotoro-dom, Atsa, Duo tsho, Elondo, Elone, Eloun, Eringi, Erue-alui, Erun, Etsa, Gogbei, Gogwi, Ihi, Kassa, Kokudabo, Mancone, Missanda, Muave, Mwavi, Nkassa, Odang bole, Odom, Ordeal tree, Potrodom, Sasswood, Sasswood tree, Sepehi, Tali, Tsa Distributed in: Cameroon, Central African Republic, Gabon, Ghana, Ivory Coast, Liberia, Sierra Leone, Tanzania, Zaire, Zambia (Africa) Common uses: Agricultural implements, Boat building (general), Bridge construction, Charcoal, Chemical derivatives, Decks, Flooring, Flooring: industrial heavy traffic, Fuelwood, Furniture, Heavy construction, Joinery (external): ground contact, Joinery, Light construction, Marine construction, Millwork, Mine timbers, Musical instruments, Piling, Plywood, Poles, Posts, Railroad ties, Sporting Goods, Tables, Tool handles, Turnery, Vats, Vehicle parts Tree size: Tree height is 30-40 m
Colors: the heart isReddish brown, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureFineand the lusterLustrous
Natural durability: Very durable, Very durable Silica Content: High
LightInduced Color Change: None
Kiln Schedules: Dry at a slow speed
Drying Defects: Slight end splitting, Slight twist/warp Ease of Drying: Moderately Difficult to Difficult
Tree Identification: Bole/stem form is not buttressed Comments: General finishing qualities are rated as good Blunting Effect: High to severe Boring: Fairly difficult to very difficult Carving: Fairly Difficult to Very Difficult
Cutting Resistance: Fairly Difficult to Very Difficult to saw Gluing: Easy to glue Mortising: Fairly Difficult to Very Difficult
Moulding: Fairly Difficult to Very Difficult
Movement in Service: Fairly Difficult to Very Difficult
Nailing: Difficult to nail, Possible if prebored Planing: Planes well, to a good finish Resistance to Impregnation: Resistant sapwood Response to hand tools: Responds Poorly Routing recessing: Fairly Difficult to Very Difficult
Sanding: Good sanding finish Veneering qualities: Diifficult to veneer, Suitable for slicing
Screwing: Difficult to screw, Possible if prebored; Turning: Turns with moderate ease
Painting: Satisfactory; Polishing: Satisfactory; Varnishing: Good;
Shrinkage, Tangential = fairly large 0 Hardness (side grain) = hard 0 Modulus of Elasticity (stiffness) = high Max. crushing strength = high Density (dry weight) = 53-60 lbs/cu. ft Shrinkage, Radial = fairly large Bending strength (MOR) = high Shrinkage, Volumetric = fairly large Bending strength (MOR) = very high Shrinkage, Tangential = moderate Shrinkage, Volumetric = moderate Shrinkage, Radial = large Bending strength (MOR) = medium Shrinkage, Tangential = large Shrinkage, Radial = small Shearing strength (parallel to grain) = very low Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = medium Max. crushing strength = very high Density (dry weight) = 61-67 lbs/cu.ft Density (dry weight) = 46-52 lbs/cu. ft. Shearing strength (parallel to grain) = medium Modulus of Elasticity (stiffness) = low Bentum, A.L.K.,1971,Properties of Ghanaian Timbers - Potrodom,Technical Newsletter Ghana,5(3/4, pp38-9Bois et Forets des Tropiques,1949,Olon (Fagara heitzii and Fagara brieyi,Bois et Forets des Tropiques,No.10,pp175-8Bois et Forets des Tropiques,1949,Tali (Erythropleum ivorense and E. guineense,Bois et Forets des Tropiques,No.9,pp67-70Bois et Forets des Tropiques,1977,Tali (Erythrophleum ivorense and Erythrophleum guineese,Bois et Forets des Tropiques,No.176,pp17-31Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Dalziel, J.M.,1937,The Useful Plants of West Tropical Africa,Crown Agents for the ColoniesErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentFarmer, R.H.,1972,Handbook of Hardwoods,HMSOForest Products Research Laboratory, U.K.,1969,The Movement of Timbers,Forest Products Research Laboratory, Princes Risborough Technical Note,No.38France - C.T.F.T.,1960,Resultats des Observations et des Essais Effectues au C.T.F.T. sur,Erythrophleum sp.,C.T.F.T.,Information Technique, No.120France - C.T.F.T.,1977,Promotion of African Timbers - New Species,CTFT,35 LeafletsGhana - Timber Marketing Board,1969,Ghana Hardwoods,Timber Marketing BoardHughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonJay, B.A.,1968,Timbers of West Africa,TRADA, Red Booklet SeriesKinloch, D., Miller, W.A.,1949,Gold Coast Timbers,Govt. Printer Gold CoastKryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Rendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. LondonSallenave, P.,1964,Proprietes Physiques et Mecaniques des Bois Tropicaux (Premier Supplement,C.T.F.T. Publ.,no.23Sallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Timber Development Association,1948,Some New Timbers and Their Uses No. 34,Timber Development Association Limited, London [TRADA]Unwin, A.H.,1920,West African Forests and Forestry,T. Fisher Unwin Ltd. LondonWood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13 |
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