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Titanium is known for its light weight,high-strength and very good corrosion resistance. However, in some areas titanium is often coming short; due to its softness the material suffers from poor wear and galling resistance. This is limiting the use of titanium and forcing design engineers to make compromises. Expanite is changing the game by introducing ExpaniteHard-Ti.<\/p>\n<\/div>\n
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ExpaniteHard-Ti represents a new generation of surface hardening technology for titanium. Unlike conventional coatings or surface nitriding, the Expanite process is a solid-solution diffusion treatment that modifies the material from within \u2014 not by applying an external layer. This means the hardened surface becomes an integral part of the titanium itself, resulting in exceptional durability, improved wear and galling resistance, and long-term performance stability even under dynamic loading or in harsh environments.<\/p>\n
Whereas traditional coating methods often fail due to cracking, delamination, or changes in surface , ExpaniteHard-Ti maintains the pure metallic character of the titanium surface. There are no brittle phases, no nitride layers, and no color changes \u2014 only a smooth, high-hardness finish that is safe, stable, and fully biocompatible<\/a>.<\/p>\n<\/div>\n Titanium\u2019s low hardness and strong chemical reactivity have historically made surface hardening difficult. Expanite\u2019s patented heat treatment and surface hardening technologies overcomes this challenge by introducing nitrogen and carbon atoms directly into the metal lattice under controlled temperature and atmosphere. Because the process is purely thermal and chemical \u2014 without coatings or plasma arcs \u2014 it preserves titanium\u2019s excellent corrosion resistance, thermal conductivity, and fatigue strength.<\/p>\n This balance between hardness and corrosion protection makes ExpaniteHard-Ti the ideal choice for high-performance titanium parts exposed to friction, mechanical load, or sliding contact.<\/p>\n<\/div>\n Just like all Expanite technologies, ExpaniteHard-Ti is designed with sustainability<\/a> in mind. The treatment is dry, clean, and entirely chemical-free, producing no toxic waste or harmful by-products.<\/p>\n Processing times are short, energy consumption is minimized, and components are treated without the need for pre-coating or masking.<\/p>\n Compared to traditional hardening treatments\u00a0 ExpaniteHard-Ti delivers superior results with a fraction of the environmental footprint \u2014 aligning with the company\u2019s ISO14001-certified environmental management system.<\/p>\n<\/div>\n ExpaniteHard-Ti is already making a measurable difference in industries where performance, precision, and cleanliness are non-negotiable. Click below to learn more about the Expanite technology for hardening titanium Grade 2 and 5.<\/p>\n<\/div>\n Watch Video<\/a><\/p>\n<\/li>\n Download Pdf<\/a><\/p>\n<\/li>\n Download PDF<\/a><\/p>\n<\/li>\n<\/ul>\nBehind the ExpaniteHard-Ti technology<\/h1>\n
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This diffusion-based process increases compressive stress near the surface, creating a hardened zone.<\/p>\n\n
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<\/p>\n<\/li>\n<\/ul>\nSustainable Titanium Hardening<\/h1>\n
\nProven in Demanding Applications<\/h1>\n
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In the medical device sector, ExpaniteHard-Ti offers improved wear resistance without affecting biocompatibility \u2014 perfect for surgical instruments and implants.
In Aerospace<\/a> and Oil & Gas\/Energy<\/a> applications, where titanium is valued for strength-to-weight ratio but limited by galling, the Expanite treatment dramatically improves reliability, reducing maintenance and extending component life.
Customers report up to five-fold increases in surface hardness and substantial reduction in friction, even in dry-running or vacuum environments.<\/p>\n
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<\/p>\nTitanium Hardening: ExpaniteHard-Ti Galling Test<\/h3>\n
<\/p>\nCasestory: Titanium Fountain Pen<\/h3>\n
<\/p>\nSurface Hardening of Titanium: All You Need to Know<\/h3>\n
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