[jlkuester7]

> Just remember that the brake pads on your car are stuck on with glue next time you tap the pedal.

Unrelated to the article's point, but what? Maybe the layers of the pad itself are glued together, but no brake pads I have every changed have been stuck to the car with glue in any way. (They are held in place with metal brackets which allow them to slide along a small track when compressed by the brake pistons....)

[andrewflnr]

I assume they're talking about the bond between the metal frame that interacts with the brackets and the actual pad material itself, made of sintered metal or ceramic or something.

[ferongr]

Pads were the friction material is solely using glue to adhere to the backing plate are generally either very cheap aftermarket replacements or the OEM cheapening out.

[andrewflnr]

What are they supposed to do? Can you weld them on somehow?

[ferongr]

Hooks, holes in the backing plate, stamped/cast dimples, welded wire-mesh for the backing material to adhere to.

[andrewflnr]

Ah, so glue plus mechanical linkage, if that's the phrase?

[Hatrix]

rivets

[SoftTalker]

This is how it was done for years, they have better adhesives now. In modern cars many of the body panels are affixed with “glue.”

[dghlsakjg]

I think they mean the interface between the wear material and the backing.

I'm not entirely sure that it is just glue, but the flip side is that the wear material is, well, wear material that wears away over time, so mechanical attachment needs to not interfere with that.

Plus, if the wear material did come loose from the backing, it would likely make a bit of a racket rattling around (like a brake pad without its anti-rattle clip), but it doesn't really have anywhere to go since it is surrounded by caliper and rotor, and would probably work just fine since the backing is there to spread out the force from the piston evenly along the wear material. That force would still get spread out, the wear material might just shift a few mm.

[bombcar]

Glue can be quite strong.

I remember hearing that the 26 ton ceiling collapse on the big dig https://en.wikipedia.org/wiki/Big_Dig_ceiling_collapse was because they used the wrong glue (epoxy, but basically the same thing).