ni-hard

Thân thiện

A machinist examines a piece of ni-hard in the workshop.

Definition

Noun: 1. A type of abrasion-resistant cast iron: Ni-hard is a specific grade of cast iron alloyed with nickel. The addition of nickel significantly increases the material's hardness and its resistance to wear, abrasion, and impact.

Usage

Ni-hard is a technical, material science term. It is used as a mass noun to refer to the alloy itself, not individual items. * It is commonly used in industrial, manufacturing, and engineering contexts. * It typically functions as the subject or object of a sentence.

Examples

• Subject:
• Object:
• With a modifier:

Advanced Usage

• The term is frequently part of a material specification or standard (e.g., ASTM A532, which classifies abrasion-resistant cast irons, includes ni-hard grades).
• It can be used attributively (like an adjective) to describe components made from the alloy: , , .

Variants and Related Words

• Ni-Hard®: The term is sometimes treated as a registered trademark, depending on the context and region.
• Abrasion-resistant cast iron: A broader descriptive category that includes ni-hard.
• White iron: The microstructural family of cast irons to which ni-hard belongs, characterized by its extreme hardness and brittleness.
• Alloy cast iron: The general category for cast irons containing significant amounts of alloying elements like nickel, chromium, or molybdenum.

Synonyms

• Nickel-chromium white iron
• Abrasion-resistant white cast iron

Notes on Meaning

This word has a single, specific technical meaning. It does not have idiomatic uses or phrasal verbs. Its usage is confined to fields dealing with metallurgy, mechanical engineering, and heavy industry.

Học thuật

Noun

1. cast iron to which nickel has been added to make it resist abrasion

Từ đồng nghĩa

• Ni-hard
• Ni-hard iron