Ntshiab Hlau Qauv

1. Atomic thiab crystalline qauv ntawm cov hlau ntshiab

1.1 Crystal Kev Teeb Meem Lattice

Cov hlau ua kom pom tseeb peb cov ntaub ntawv sib npaug tseem ceeb rau nws cov kev coj ua:

Caij	Crystal Qauv	Muaj ntau yam (degree)	Cov yam ntxwv tseem ceeb
-Air	Lub cev nruab nrab cubic (BCC)	<912°C	Ferromagenetic, ductile, cov pa roj hmab tsawg
-Air	Lub ntsej muag-nruab nrab lo teb (FCC)	912-1394 Degree	Paramagnetic, siab dua cov pa roj hmab solubility
Δ-hlau	BCC	1394-1538 Qib	Zoo ib yam li -phas tab sis siab dua thermal kev ua si

Muaj Kev Ntsuam Xyuas: Beilun tus txheej txheem tswj txias yuav khaws cov tshuaj-} {}}}} {4}}) rau transformer cov ntawv thov.

2. Microstructor|evolution hauv cov hlau ntshiab

2.1 grag qauv & yam tsis xws luag

Kev Tsim Tawm Microstration	Raug Nplai	Beilun tus tswj hwm tus qauv	Kev Cuam Tshuam
Qoob ntais loj	20–200 μm	ASTM E112 No. 6-8	Hmoov nplej nplua ↑ tawm lub zog 15%
Rho Tawm Kev Mob Siab	10⁸-10¹⁰ CM⁻²	TEM-Verified tsawg dua los yog sib npaug rau 10⁹ cm⁻²	Tsawg qis → txhim kho ductility
Twin Callaries	<1% area fraction	EBSD kev txiav txim siab	Txo cov kev pheej hmoo txaus ntshai

Kev ntsuas txuj ci: Beilun siv EBSD (Electron thim rov qab txawv) thiab tem kom siv microstructure.

2.2 Cov Cuam Tshuam Engineering

QHIB HOM	Loj npaum li cas	Beilun's Trothhol	Nyhuv rau cov khoom
Oxides (Al₂o₃)	0.5–5 μm	Tsawg dua los yog sib npaug rau 1 μm (sem-creedified)	Tshem Tawm Kev Ua Rog Rog Qhov Chaw Pib
Sulfides (MNS)	1–10 μm	Tsis pom (GDMS)	Tiv thaiv kub-luv
Nitrides	–	<0.01 vol% (ISO 4967)	Tswj cov kev cuam tshuam nyuaj

3. Kev hloov kho txheej txheem los ntawm kev ua

3.1 Kev Kho Mob Thermiechanical

Kev ua	Qauv Teeb Meem	Beilun's daim ntawv thov
Cuav Dab	Elongated nplej + kev ntxhib los mos	Cov Khoom Muag Khoom (85%)
Ib tug anerting	Recrystallized equiaxed nplej	Restores ductiles (ra 0. 2μm)
Directional Solidification	Kem Lis Xum Ua ke	High-permeability hluav taws xob hlau

3.2 Purity-qib kev sib piv

Raws li qib	ASTM kev tsim qauv	Hmoov nplej Chemistry	Cov Kev Siv Raug Raug
99.8% FE	A848 hom 1	Segregated c (0. 02%) ntawm thaj tsam	Kev Nco Ntsoov
99.95% FE	Kab lig kev cai	O Tsawg dua lossis sib npaug nrog 50 ppm, s tsawg dua lossis sib npaug rau 10 ppm	Lub Tshuab Nqus Tsev Cua Sov
99.99% FE	N / A (Ultra-ntshiab)	Tsis muaj kev pom tau hais tias	Semiconductor deposition cov phiaj

Beilun lub tswv yim: hydrogen annealing txo cov qoob loo ciam teb rau tsawg dua lossis sib npaug rau 20 ppm (vs. kev lag luam txheem 50.

4. Cov qauv kev sib raug zoo

4.1 Kev Sib Nqus Cov Thawj & Crystallography

- Sau Phab Ntsa Thickness: 100-300 NM (MFM-ntsuas)

- Yooj Yim Magnetization Axes:<100>Hauv BCC -Am

- Beilun txoj kev ua tau zoo: Textured dov txhim kho<100>Kev taw qhia los ntawm 40% → Cov Kws Peev Xwm Kev Poob Lawm.

4.2 Kev Kho Mob Kho Tshuab AnisoTropy

Crystal Kev Taw Qhia	Yield zog (mpa)	Cov tub ntxhais hluas lub modulus (GPA)
<100>	120	125
<110>	180	210
<111>	220	275

Kuaj Tus Qauv: ASTM E2448 (tib lub tshuab siv siv lead ua).

5. Advanced Txheej Txheem

5.1 Beilun's Analytical Lub Peev Xwm

Kev txawj	Teeb meem	Cov Ntsiab Lus Kev Ntsuam Xyuas
Atom Sojntsuam tomography	0. 3 nm	Grain Cregration
Xrd	0. 01 Degree 2θ	Phase feem kev ua kom muaj nuj nqis
FIB-SEM	5 nm	3D Kev Pom Zoo

6. Kev lag luam cov ntawv thov & Cov Txheej Txheem

Hom	Cov qauv tseem ceeb	Beilun txoj kev daws teeb meem
Khoom siv hluav taws xob	<100>Kev ntxhib los mos + cov nplej loj	Thib ob rov ua dua tshiab
Kev Cog Tshuaj Kho Mob	Ultra-nplua Equiaeve Microstructure (ASTM F138)	ECAP ua
Lub zog	Kem Lis Cov nplej nrog cov ciam av tsawg	Directional Solidification