elaznoniklowego

Elaznoniklowego is a term used in Polish technical literature to refer to materials based on iron–nickel alloys. The name combines żelazo (iron) and niklowego (nickel-containing) and is used to designate a class of alloys whose core phase is iron with a significant nickel content, rather than a single fixed composition.

Composition for elaznoniklowego materials typically spans a range from around Fe–36Ni to higher nickel contents, with well-known grades such as those resembling Invar (about Fe–36Ni) and various nickel-rich alloys used for magnetic or structural purposes. Nickel content strongly influences properties: low thermal expansion in some grades, and changes in magnetic permeability and electrical resistivity as nickel percentage increases.

Processing methods include melting and alloying of iron and nickel, followed by homogenization, hot or cold working, and heat treatment to tailor magnetic and mechanical properties. Some grades require annealing in controlled atmospheres to relieve stresses and adjust domain structure for specific performance.

Properties of elaznoniklowego materials vary with composition and processing but commonly exhibit good mechanical strength and, depending on the grade, notable magnetic or thermal characteristics. They may offer corrosion resistance comparable to other iron-based alloys, though performance is highly dependent on alloying and heat treatment.

Applications span precision instruments, clocks and scientific devices, magnetic shielding, transformer cores, sensors, and other components where stable magnetic or thermal behavior is advantageous. The class also serves as a basis for more specialized alloys designed for particular magnetic, thermal, or structural requirements.

Notes: specific grades are typically designated by standard alloy names or numbers rather than a single universal composition, so “elaznoniklowego” refers to a broad category rather than one fixed alloy.