Rare earth magnets for fun

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We can professionally appreciate the fact that all electric motors in the world (excluding some very inconvenient) works because of magnetism.We can reflect on the fact that each processor, use it well.

Magnets for sale 

Studies have shown that customers feel more loyalty to businesses that they feel some type of personal connection to. Nothing is more personal that knowing your employees names especially if those employees are well trained and give great customer service. Magnetic name tags with logo not only gives potential and current customers or clients your employees name at a glance, but also serves to help familiarize and associate your company with your logo helping to

neodymium magnets 

Studies have shown that customers feel more loyalty to businesses that they feel some type of personal connection to. Nothing is more personal that knowing your employees names especially if those employees are well trained and give great customer service. Magnetic name tags with logo not only gives potential and current customers or clients your employees name at a glance, but also serves to help familiarize and associate your company with your logo helping to

super strong magnets

CRT monitors, TV, brushless DC motors, power meters, modern welding equipment, and systems for engine ignition time, different machines and umpteen other gadgets use permanent magnets. And electromagnetism have a hand somewhere in the Neodymium Magnets of virtually all the work of other electronic devices.

For a great appreciation for the visceral magnetism, however, you can not beat playing with magnets.

 

Rare earth magnets for fun

magnets 

Really scary freakin ‘powerful Neodymium Magnets that preference Cup Magnets.

 When I was a kid, I had a bag full of black ferrite magnets in different shapes and sizes. They were beautiful toys. I could not hurt me with them.I’m grown up now Ceramic Magnets. Well,  Magnets for sale Ceramic Magnets physically anyway. And if I upgraded to these magnets   

“These,” in this case are neodymium iron boron (NIB) magnets. They are often simply called “neodymium” or “rare earth” magnets, and this composition is both more powerful and less expensive than the former king of the world permanent magnet, samarium cobalt.   Ceramic Magnets

 

Rare earth magnets

 How strong?

 

Well, the smallest magnets in the photo above is a small gold-plated bottles only 6.4 to 2.3 mm in size. Court extends these magnets is not very far has no power, because a smaller magnet, a natural force, the lower the amount of space you can fill a magnetic field, it gives me strength. Magnetic field strength falls as the inverse square distance from the magnet, too, for twice as far and the field strength decreases by a factor of eight. Thus, two of these little Crabbing barely see each other over a distance of more than one centimeter.

But just throwing one of these little ‘uns in vague proximity of a second, then put them together end-to-end. And they do it well so that it can contain a chapter on the size of the bar 12 of ’em and twirl around the rest as soon as I can, without letting them go.

 

The strongest magnets in this collection, if you ignore the large area, but thin and weak magnets on the drive (which more in a moment) is 18.25mm in diameter spheres. Spherical magnets, fortunately, tends to push the fingers of the road as they head to another so that these threats are not too willing to crush the people. But they can certainly do that and play with them without letting them slam together so hard they hurt themselves is easier said than done. These magnets are covered with protective metal plating, but the game will quickly peel it imprudent, and equipment NIB itself is quite fragile.

 

There is a selection of bars, discs, rectangular prisms and balls, and there are only three of the magnets used in excess as a standard hard banana. These magnets are massively strong, like all other neodymium, but their odd shape makes them very fragile. Magnets in the Euclidean form stronger is more useful.

Pressing adhesive performance parameters table NdFeB

Grade

BNP-6

BNP-8L

BNP-8

BNP-8SR

BNP-8H

BNP-9

BNP-10

BNP-11

BNP-11L

BNP-12L


B r T(Gs)

0.55-0.62

0.60-0.64

0.62-0.69

0.62-0.66

0.61-0.65

0.65-0.70

0.68-0.72

0.70-0.74

0.70-0.74

0.74-0.80

H CB kA/m(kOe)

285-370 (3.6-4.6)

360-400 (4.5-5.0)

385-445 (4.8-5.6)

410-465 (5.2-5.8)

410-455 (5.2-5.7)

400-440 (5.0-5.5)

420-470 (5.3-5.9)

445-480 (5.6-6.0)

400-440 (5.0-5.5)

420-455 (5.3-5.7)

H CJ kA/m(kOe)

600-755 (7.5-9.5)

715-800 (9-10)

640-800 (8-10)

880-1120 (11-14)

1190-1440 (15-18)

640-800 (8-10)

640-800 (8-10)

680-800 (8.5-10)

520-640 (6.5-8)

520-600 (6.5-7.5)

(BH) max kJ/m 3 (MGOe)

44-56 5.5-7

56-64 7.0-8.0

64-72 8.0-9.0

64-72 8.0-9.0

64-72 8.0-9.0

70-76 8.8-9.5

76-84 9.5-10.5

80-88 10.0-11.0

78-84 9.8-10.5

84-92 10.5-11.5

D g/cm 3

5.5-6.1

5.6-6.1

5.8-6.1

5.8-6.1

5.9-6.2

5.8-6.1

5.8-6.1

5.8-6.1

5.8-6.1

5.8-6.1

μ r

1.15

1.15

1.15

1.13

1.15

1.22

1.22

1.22

1.26

1.26

αB r %/ ℃

-0.13

-0.13

-0.13

-0.13

-0.07

-0.12

-0.11

-0.11

-0.11

-0.08

T w ℃

100

110

120

150

125

120

120

120

110

110

Injection Molding NdFeB magnetic properties and physical characteristics

Grade

BNI-3

BNI-4

BNI-5

BNI-6

BNI-6H

BNI-7

BNI-5SR (PPS)


B r T (Gs)

0.2-0.4

0.40-0.46

0.45-0.51

0.51-0.56

0.48-0.56

0.54-0.64

0.45-0.50

H CB kA/m(kOe)

120-240 (1.5-3.0)

250-335 (3.1-4.2)

280-360 (3.5-4.5)

295-375 (3.7-4.7)

335-400 (4.2-5.0)

320-400 (4.0-5.0)

300-360
(3.8-4.5)

H CJ kA/m(kOe)

480-640 (6.0-8.0)

575-735 (7.2-9.2)

640-800 (8-10)

640-800 (8-10)

1035-1355 (13-17)

640-800 (8-10)

875-1115
(11-14)

(BH)max kJ/m 3 (MGOe)

8-24 (1.0-3.0)

28-36 (3.5-4.5)

37-44 (4.6-5.5)

44-52 (5.5-6.5)

40-52 (5.0-6.5)

51-59 (6.5-7.5)

36-44
(4.5-5.5)

D g/cm 3

3.9-4.4

4.2-4.9

4.5-5.0

4.7-5.1

4.8-5.2

5.0-5.5

4.9-5.4

μ r

1.2

1.2

1.2

1.13

1.13

1.13

1.13

αB r %/ ℃

-0.15

-0.13

-0.13

-0.11

-0.15

-0.11

-0.13

T w ℃

100

110

120

120

130

120

150