A brake element for a motor vehicle, having a base body that is planar at least in areas, to the planar sides (of which at least two build-up layers are applied in each case, at least in areas. The build-up layers form a surface which, in the mounted state of the brake element on the motor vehicle, is used as a friction surface for a brake pad. There is a bonding zone in which both a material of the base body and a material of a build-up layer adjacent thereto are present. The second build-up layer is made of a composite of an iron alloy matrix with intercalated tungsten carbide particles. A proportion of the volume of the intercalated tungsten carbide particles to the volume of the iron alloy matrix is in a range of 1% to 19%.

A loom system for making a fibrous preform may comprise a base, a bedplate coupled to the base, wherein the bedplate is configured to rotate about an axis of rotation, and an air entangling module coupled to the base. The air entangling module may comprise an air entangling head coupled to an outer support and an inner support, wherein the air entangling head is configured to apply a jet of air toward the bedplate at an entangling zone. The air entangling head may have freedom of motion along the outer support and the inner support, and may be configured to rest on top of a fibrous layer.

A friction material comprises a base and a porous friction generating layer penetrating into and integral with the base. The base presents a bonding surface. The porous friction generating layer presents a friction generating surface facing opposite the bonding surface of the base. The porous friction generating layer comprises fibers and friction adjusting particles, and about 30 to about 95% of a total surface area of the fibers is in contact with the friction adjusting particles. A curable resin is dispersed throughout the porous friction generating layer and the base.

A wear resistant friction coating (WRFC) can be applied on a lightweight metallic substrate, by applying a cold gas dynamic spray bond coat containing more iron than any other single element directly onto a surface of the substrate, and thermal spraying the WRFC coating over the bond coat to a thickness of at least 500 m. Corrosion resistance, adhesion, thermal cycling resistance, and wear resistance have been demonstrated.

The invention relates to a method for producing a friction element (1) according to which a friction lining is applied onto a support element (2), which friction lining comprises at least one resin (5) and friction-modifying particles (6) and/or fibers (7), wherein the friction-modifying particles (6) and/or fibers (7) are mixed with the at least one resin (5) prior to application onto the support element (2).

A brake disc includes a basic body with at least one contact surface that has a wearing coat applied thereon. The at least one contact surface of the basic body is pretreated to realize the bond between the searing coat and the basic body. The at least one pretreated contact surface of the basic body has a surface topography that is modified by laser irradiation and has at least one predetermined parameter. A method produces the brake disc.

A brake pad for a brake system, the brake pad comprising: a first brake pad surface having a coefficient of friction, the brake pad being for contact, in use, with a first radial portion of a component having a rotation axis, wherein: at a first point on the first brake pad surface the coefficient of friction has a first value; at a second point on the first brake pad surface the coefficient of friction has a second value greater than the first value; and at a third point on the first brake pad surface the coefficient of friction has a third value greater than the second value, wherein, in use, the first, second and third points are configured to be contactable with corresponding points on the first radial portion of the component at locations of increasing radial distance from the rotation axis so that the second point is further from the rotation axis than the first point, and the third point is further from the rotation axis than the second point.

A brake pad of a disc brake, having a pad carrier plate and an intermediate layer which is fastened to the bottom surface thereof and carries an abrasive friction lining, is configured in such a way that the thickness of the unused friction lining is less than or equal to a predefined maximum wear dimension. The thickness of the friction lining plus part of the thickness of the intermediate layer correspond to the maximum wear dimension.

A vehicle brake pad includes a back plate layer, an underlayer, an adhesive layer that mediates between the back plate layer and the underlayer, and a friction material layer, wherein the vehicle brake pad does not include a shim and wherein at least one of the back plate layer, the adhesive layer, and the underlayer has a loss factor of 0.2 or higher, calculated according to the following Equation 1, at temperatures from 100 to 300 to damp noise of a frequency range of 200 to 20,000 Hz at temperatures from 100 to 300: (Equation 1) Loss factor =(f.sub.2f.sub.1)/f.sub.0, where is a loss factor, f.sub.0 is a noise frequency, f.sub.1 is a minimum value of amplitude of a noise frequency when a noise level is reduced by 3 dB, and f.sub.2 a maximum value of amplitude when the noise level is reduced by 3 dB.

A method for forming a friction facing comprises placing a bonding powder mix in to a die, and placing a performance powder mix in to the die. Pressing the performance powder mix and the bonding powder mix creates a compact. Sintering the compact forms a friction facing. A clutch disc assembly can be formed. A clutch disc can comprise a mounting hole for securing a friction facing and a backer plate can comprise a pass-through hole. A mounting mechanism joins the mounting hole to the pass-through hole. The mounting mechanism comprises a head-height for a portion of the mounting mechanism that is mounted near the sintered compact. The bonding layer comprises a thickness corresponding to the head-height of the mounting mechanism.