Assunto
Niobium
111
Nióbio
103
niobium
90
niobium alloys
53
microstructure
45
niobium carbides
38
sintering
37
mechanical properties
33
composite materials
29
aluminium oxides
27
powder metallurgy
26
niobium oxides
24
scanning electron microscopy
24
x-ray diffraction
24
zirconium alloys
24
biological materials
21
synthesis
21
Catálise heterogênea
19
Niobium oxide
18
combustion
18
corrosion resistance
18
milling
18
aluminium
17
titanium alloys
17
Óxido de nióbio
17
intermetallic compounds
16
aluminium alloys
15
Niobium pentoxide
14
powders
14
Catalisadores
13
Niobio
13
Pentóxido de nióbio
13
glass
13
niobium additions
13
stainless steels
13
yttrium oxides
13
ceramics
12
spectroscopy
12
implants
11
niobium oxide
11
Fosfato de nióbio
10
density
10
niobium carbide
10
Biodiesel
9
Heterogeneous catalyses
9
heat treatments
9
hydrogenation
9
iron alloys
9
microhardness
9
steels
9
Mais ...