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Coatings for High-Temperature Structural Materials: Trends and Opportunities (1996)
National Materials Advisory Board (NMAB)

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. "2 APPLICATION NEEDS AND TRENDS." Coatings for High-Temperature Structural Materials: Trends and Opportunities. Washington, DC: The National Academies Press, 1996.

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Coatings for High-Temperature Structural Materials: Trends and Opportunities

TABLE 2-5 Properties of Refractory Metals and an Alloya Compared to B 1900 Nickel-Base Superalloy

Material

TSOLIDUS   (°C)

CTE x 106°(C)

Density (g/cc)

Young's Modulus @ 25°C (GPa)

UTS (MPa)

Niobium

2468

8.3

8.6

97

Alloy B88 

(Nb-28W-2Hf)

¬11.6

>>462 @ 1315°C

Tantalum

2996

6.7

16.6

185

Molybdenum

2610

5.8

10.2

325

Tungsten

3410

4.6

19.3

400

B 1900b

1274

15.8

8.0

214

270 @ 1100°C

a Stoloff and Sims (1986).

b International Nickel Company (1977).

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