Модул на срязване: Разлика между версии

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Koceto007 (беседа | приноси)
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Koceto007 (беседа | приноси)
Редакция без резюме
Ред 13:
:<math> \Omega </math> ъгъл в правоъгълния триъгълник с катети <math> l </math> и <math> \Delta x </math>. Обикновено <math> \Omega </math> е малък ъгъл, следователно <math>\tan(\Omega) \approx \Omega </math> и <math> \Omega \approx \gamma_{xy} </math>.
 
{| class="wikitable" style="float:center; clear:center; margin-center:1em; margin-top:5;"
|+ Zone boundary phonon frequencies of bcc iron at “normal conditions” and at hightemperature and pressure conditions (in THz). The experimental values are measured at 295 K.
!Material
!TS <br />(MPa)
!BH <br />([[Brinell scale|Brinell]])
|-
! Oxidation <br />state !! Representative compound
|[[Monocrystalline whisker|Iron whiskers]]
|11000
|-
| −2 (d<sup>10</sup>) || [[Disodium tetracarbonylferrate]] (Collman's reagent)
|Ausformed (hardened) <br>steel
|2930
|850–1200
|-
| −1 (d<sup>9</sup>) || {{chem|Fe|2|(CO)|8|2-}}
|[[Martensite|Martensitic steel]]
|2070
|600
|-
| 0 (d<sup>8</sup>) || [[Iron pentacarbonyl]]
|[[Bainite|Bainitic steel]]
|1380
|400
|-
| 1 (d<sup>7</sup>) || [[Cyclopentadienyliron dicarbonyl dimer]] ("Fp<sub>2</sub>")
|[[Pearlite|Pearlitic steel]]
|1200
|350
|-
| 2 (d<sup>6</sup>) || [[Ferrous sulfate]], [[ferrocene]]
|[[cold forming|Cold-worked]] iron
|690
|200
|-
| 3 (d<sup>5</sup>) || [[Ferric chloride]], [[ferrocenium tetrafluoroborate]]
|Small-grain iron
|340
|100
|-
| 4 (d<sup>4</sup>) || {{chem|Fe(diars)|2|Cl|2|2+}}
|Carbon-containing iron
|140
|40
|-
| 5 (d<sup>3</sup>) || {{chem|FeO|4|3-}}
|Pure, single-crystal iron
|10-
| 6 (d<sup>2</sup>) || [[Potassium ferrate]]
|3
|-
|7 (d<sup>1</sup>)
|[FeO<sub>4</sub>]<sup>–</sup> (matrix isolation, 4K)
|}