American Yellow Poplar Wood

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American Yellow Poplar Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Hardwood. Easy to work with hand tools. Data is based on small, clear, air-dried samples unless specified. Usual surface texture: Fine/medium Dimensional changes when dried lumber is subjected to variations in humidity during service: Large Resistance to fungal decay (Heartwood in ground contact): Perishable (Under 5 years), Non-durable (5 to 10 years) Resistance to penetration by preservatives: Extremely resistant Common Applications: Pallet blocks, box boards, turnery. Wood wool Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Populus spp.; Lumber, Timber
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	0.380 g/cc	Oven Dry Weight/Unseasoned Volume
	38.0 lb/ft³	Unseasoned*
Cell Length	1.90 mm	Mature Wood

Mechanical Properties	Original Value	Comments
Hardness, Wood Indentation	1500 N	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	1900 N	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	2400 N	Side
Tensile Strength, Ultimate	3.70 MPa	Perpendicular to Grain
	155 MPa	Axial
	460 psi	Perpendicular to Grain*
Modulus of Rupture	0.0700 GPa	In Bending
	5.60 ksi	Static Bending*
Flexural Yield Strength	42.1 MPa	Bending stress at proportional limit
	3200 psi	Fiber Stress at Elastic Limit; Static Bending*
Flexural Modulus	10.9 - 11.0 GPa	In Bending
	1210 ksi	Static Bending*
Compressive Strength	3.90 MPa	Perpendicular to Grain
	37.9 - 38.0 MPa	Parallel to Grain
	310 psi	Perpendicular to Grain*
	2000 psi	Parallel to Grain*
	2550 psi	Max Crushing Strength Parallel to Grain*
Poissons Ratio	0.019	µ_TL, 12% Moisture Content
	0.030	µ_RL, 12% Moisture Content
	0.318	µ_LR, 12% Moisture Content
	0.329	µ_TR, 12% Moisture Content
	0.392	µ_LT, 12% Moisture Content
	0.703	µ_RT, 12% Moisture Content
Machinability	50 %	Medium Relative to Other Wood
Shear Strength	8.20 MPa	Orientation Unknown
	790 psi	Parallel to Grain*
Impact	2.6	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	8000	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.480 in-lb/in³	Static Bending*
Work to Maximum Load	5.60 in-lb/in³	Static Bending*
Toughness	23.8 J	Tangential
	24.9 J	Radial

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.750 BTU-in/hr-ft²-°F	Oven Dry
	0.900 BTU-in/hr-ft²-°F	12% Moisture Content
Shrinkage	4.0 %	Radial; Green to Zero Moisture
	7.1 %	Tangential; Green to Zero Moisture
	12.3 %	Volumetric; Green to Zero Moisture

Descriptive Properties
Color	Grey, white to pale brown	Usual for heartwood

References for this datasheet.

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