{"id":47731,"date":"2025-07-29T10:00:53","date_gmt":"2025-07-29T08:00:53","guid":{"rendered":"https:\/\/www.bonomiacciai.it\/?p=47731"},"modified":"2025-07-15T17:58:53","modified_gmt":"2025-07-15T15:58:53","slug":"heat-treatments-pvd-coatings","status":"publish","type":"post","link":"https:\/\/www.bonomiacciai.it\/en\/heat-treatments-pvd-coatings\/","title":{"rendered":"Heat Treatments: PVD Coatings"},"content":{"rendered":"
[vc_row][vc_column][vc_column_text css=””]PVD coatings (Physical Vapour Deposition) are thin ceramic surface films, typically just a few microns thick (\u03bcm), made mainly of very hard carbides and nitrides of metallic elements such as Chromium, Titanium, Aluminum, Molybdenum, and Zirconium.<\/p>\n

These surface layers are formed by evaporating the target materials in a plasma state (under high vacuum), in the presence of gases like Nitrogen, Methane, or others.
\nDeposition temperatures range from 180 to 560\u202f\u00b0C, with coating thicknesses from 1 to 10\u202f\u03bcm, and surface hardness exceeding 2000 HV.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=”47732″ add_caption=”yes” alignment=”left” onclick=”img_link_large” css=””][\/vc_column][\/vc_row][vc_row][vc_column]

<\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”Benefits of PVD Coatings” use_theme_fonts=”yes” css=””][vc_empty_space height=”16px”][vc_column_text css=””]PVD coatings help delay surface damage phenomena such as wear, abrasion, galling, and corrosion.
\nThey improve the sliding behavior between metallic components by interposing a thin, extremely hard layer.
\nThey also act as a solid lubricant between frictional metallic contacts.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column]
<\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”Applications” use_theme_fonts=”yes” css=””][vc_empty_space height=”16px”][vc_column_text css=””]In the plastic injection molding sector, PVD coatings help reduce galling and abrasion.
\nIn die casting applications, the low reactivity of carbides and nitrides with molten metal significantly reduces surface wear, adhesion, thermal fatigue, and corrosion.<\/p>\n

Additionally, thanks to their high chemical inertia, PVD coatings offer partial protection from corrosive environments.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column]

<\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”Conclusione” use_theme_fonts=”yes” css=””][vc_empty_space height=”16px”][vc_column_text css=””]PVD coatings provide an effective solution to enhance the performance and durability of metallic components across various industrial sectors.
\nBy reducing wear, abrasion, friction, and chemical attack, these thin ceramic layers ensure higher surface resistance and improved sliding performance\u2014ultimately optimizing the efficiency and longevity of equipment.<\/p>\n

Bonomi Acciai<\/a>, as the Italian representative of Swiss Steel Group<\/a>, supports engineers in selecting the most suitable materials and PVD coating cycles tailored to specific application needs.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=”stretch_row_content” css=”.vc_custom_1750858056292{background-color: #ebebeb !important;}” visibility=”hidden-phone”][vc_column]

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